Submitted URL: http://pubs.er.usgs.gov/publication/pp1395
Effective URL: https://pubs.er.usgs.gov/publication/pp1395
Submission: On September 05 via api from US

Summary

This website contacted 8 IPs in 4 countries across 6 domains to perform 43 HTTP transactions. The main IP is 2001:49c8:8000:121d::78, located in United States and belongs to -Reserved AS-, ZZ. The main domain is pubs.er.usgs.gov.
TLS certificate: Issued by DigiCert SHA2 High Assurance Server CA on April 17th 2019. Valid for: a year.
This is the only time pubs.er.usgs.gov was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 30 2001:49c8:800... 22284 (-Reserved...)
1 2a04:4e42:1b:... 54113 (FASTLY)
1 137.227.252.45 22284 (-Reserved...)
4 2606:2800:234... 15133 (EDGECAST)
4 2a00:1450:400... 15169 (GOOGLE)
1 104.244.42.200 13414 (TWITTER)
1 2600:9000:205... 16509 (AMAZON-02)
2 2a00:1450:400... 15169 (GOOGLE)
43 8
Domain Requested by
30 pubs.er.usgs.gov 1 redirects pubs.er.usgs.gov
4 www.google-analytics.com pubs.er.usgs.gov
www.google-analytics.com
4 platform.twitter.com pubs.er.usgs.gov
platform.twitter.com
2 stats.g.doubleclick.net pubs.er.usgs.gov
1 dap.digitalgov.gov www2.usgs.gov
1 syndication.twitter.com pubs.er.usgs.gov
1 www2.usgs.gov pubs.er.usgs.gov
1 badges.altmetric.com pubs.er.usgs.gov
43 8
Subject Issuer Validity Valid
*.er.usgs.gov
DigiCert SHA2 High Assurance Server CA
2019-04-17 -
2020-06-10
a year crt.sh
f2.shared.global.fastly.net
GlobalSign CloudSSL CA - SHA256 - G3
2019-07-30 -
2020-07-25
a year crt.sh
*.usgs.gov
DigiCert SHA2 High Assurance Server CA
2019-09-03 -
2020-11-02
a year crt.sh
*.twimg.com
DigiCert SHA2 High Assurance Server CA
2018-11-19 -
2019-11-27
a year crt.sh
*.google-analytics.com
GTS CA 1O1
2019-08-13 -
2019-11-11
3 months crt.sh
syndication.twitter.com
DigiCert SHA2 High Assurance Server CA
2019-01-24 -
2020-01-24
a year crt.sh
dap.digitalgov.gov
Amazon
2018-11-28 -
2019-12-28
a year crt.sh
*.g.doubleclick.net
GTS CA 1O1
2019-08-13 -
2019-11-11
3 months crt.sh

This page contains 3 frames:

Primary Page: https://pubs.er.usgs.gov/publication/pp1395
Frame ID: 3082292B016DBED1D792D54494BE2FA2
Requests: 41 HTTP requests in this frame

Frame: https://platform.twitter.com/widgets/widget_iframe.2349b7ea03933b93cf1e9e9f69dac37a.html?origin=https%3A%2F%2Fpubs.er.usgs.gov
Frame ID: C08EDAE6685B86BA7D4920B5B739794B
Requests: 1 HTTP requests in this frame

Frame: https://platform.twitter.com/widgets/tweet_button.2349b7ea03933b93cf1e9e9f69dac37a.en.html
Frame ID: 1E8A65105F5D6FAD3FDBF2D26841CAFD
Requests: 1 HTTP requests in this frame

Screenshot


Page URL History Show full URLs

  1. http://pubs.er.usgs.gov/publication/pp1395 HTTP 301
    https://pubs.er.usgs.gov/publication/pp1395 Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • script /([\d.]+)?\/mathjax\.js/i

Overall confidence: 100%
Detected patterns
  • script /google-analytics\.com\/(?:ga|urchin|analytics)\.js/i

Overall confidence: 100%
Detected patterns
  • script /\/\/platform\.twitter\.com\/widgets\.js/i

Page Statistics

43
Requests

100 %
HTTPS

75 %
IPv6

6
Domains

8
Subdomains

8
IPs

4
Countries

791 kB
Transfer

889 kB
Size

7
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://pubs.er.usgs.gov/publication/pp1395 HTTP 301
    https://pubs.er.usgs.gov/publication/pp1395 Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

43 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request pp1395
pubs.er.usgs.gov/publication/
Redirect Chain
  • http://pubs.er.usgs.gov/publication/pp1395
  • https://pubs.er.usgs.gov/publication/pp1395
26 KB
26 KB
Document
General
Full URL
https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
e2aa5bff2445318951e9075237ff1fc16e144a69657bffe6864c723cb46468cb
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Host
pubs.er.usgs.gov
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3
Sec-Fetch-Site
none
Accept-Encoding
gzip, deflate, br
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:23 GMT
Content-Type
text/html; charset=utf-8
Keep-Alive
timeout=5, max=99
Connection
Keep-Alive
Transfer-Encoding
chunked
X-FRAME-OPTIONS
SAMEORIGIN
Strict-Transport-Security
max-age=31536000

Redirect headers

Content-Type
text/html
Content-length
0
Connection
Close
Location
https://pubs.er.usgs.gov:443/publication/pp1395
academicons.css
pubs.er.usgs.gov/static/assets/vendor/academicons/css/
6 KB
7 KB
Stylesheet
General
Full URL
https://pubs.er.usgs.gov/static/assets/vendor/academicons/css/academicons.css
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
27cdacf2f931656f6442a3fe13ed9861c7c5ec096c76f4227bae172317834887
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://pubs.er.usgs.gov/publication/pp1395
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:24 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:48 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"18c0-587348c73c600"
Strict-Transport-Security
max-age=31536000
Content-Type
text/css
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=98
Content-Length
6336
MathJax.js
pubs.er.usgs.gov/static/assets/vendor/MathJax/
62 KB
62 KB
Script
General
Full URL
https://pubs.er.usgs.gov/static/assets/vendor/MathJax/MathJax.js
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
9ef249bfdc162849bcf2abe8425f5e90bd89fa4fd1588b1a492731c65b2bbfc9
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://pubs.er.usgs.gov/publication/pp1395
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:24 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:48 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"f82c-587348c73c600"
Strict-Transport-Security
max-age=31536000
Content-Type
application/javascript
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
63532
polyfill.js
pubs.er.usgs.gov/static/assets/vendor/
7 KB
7 KB
Script
General
Full URL
https://pubs.er.usgs.gov/static/assets/vendor/polyfill.js
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
89d3885d433c3486879988015d08c6dcde59196af225fb96c19a9ca1200f248c
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://pubs.er.usgs.gov/publication/pp1395
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:24 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:48 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"1b1e-587348c73c600"
Strict-Transport-Security
max-age=31536000
Content-Type
application/javascript
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
6942
system.js
pubs.er.usgs.gov/static/assets/vendor/
47 KB
47 KB
Script
General
Full URL
https://pubs.er.usgs.gov/static/assets/vendor/system.js
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
6d2ff47c3dfc069db4e94e4f140b397d641ce27b5716cc858641f4c36ef0c14d
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://pubs.er.usgs.gov/publication/pp1395
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:24 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:48 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"bbb2-587348c73c600"
Strict-Transport-Security
max-age=31536000
Content-Type
application/javascript
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
48050
pubs_base.17974b95.css
pubs.er.usgs.gov/static/assets/
151 KB
151 KB
Stylesheet
General
Full URL
https://pubs.er.usgs.gov/static/assets/pubs_base.17974b95.css
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
32e19047d1fde3b6fc30ea18fc3007f72f27d408c91356825a5b3a33f113b02f
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://pubs.er.usgs.gov/publication/pp1395
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:24 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:48 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"25b09-587348c73c600"
Strict-Transport-Security
max-age=31536000
Content-Type
text/css
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
154377
favicon-57.66571233.png
pubs.er.usgs.gov/static/assets/img/favicons/
521 B
849 B
Image
General
Full URL
https://pubs.er.usgs.gov/static/assets/img/favicons/favicon-57.66571233.png
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
f047e27c84a0e0d6cf3e7579db0707db9c95eca6e63e28c7f194d7dd17382a89
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://pubs.er.usgs.gov/publication/pp1395
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:24 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:50 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"209-587348c924a80"
Strict-Transport-Security
max-age=31536000
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
521
icon-dot-gov.cdd13dd3.svg
pubs.er.usgs.gov/static/assets/img/
651 B
982 B
Image
General
Full URL
https://pubs.er.usgs.gov/static/assets/img/icon-dot-gov.cdd13dd3.svg
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
d864af09acd0424cfed830c1910b3df6ed7f484bb93c13681c8a9dbb16147daf
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://pubs.er.usgs.gov/publication/pp1395
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:24 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:50 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"28b-587348c924a80"
Strict-Transport-Security
max-age=31536000
Content-Type
image/svg+xml
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=97
Content-Length
651
icon-https.c7c1e46f.svg
pubs.er.usgs.gov/static/assets/img/
518 B
849 B
Image
General
Full URL
https://pubs.er.usgs.gov/static/assets/img/icon-https.c7c1e46f.svg
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
fc3f89387d29f9cf14a19103085f91348ea029d6fdbce78add1f129bbcd9d032
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://pubs.er.usgs.gov/publication/pp1395
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:25 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:50 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"206-587348c924a80"
Strict-Transport-Security
max-age=31536000
Content-Type
image/svg+xml
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=96
Content-Length
518
USGS_logo.356d51b9.svg
pubs.er.usgs.gov/static/assets/images/
9 KB
10 KB
Image
General
Full URL
https://pubs.er.usgs.gov/static/assets/images/USGS_logo.356d51b9.svg
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
b52a8ce1ed38a649bc3c899f00d190285a063795c767ad0321b477694dc7fee9
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://pubs.er.usgs.gov/publication/pp1395
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:25 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:50 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"25fc-587348c924a80"
Strict-Transport-Security
max-age=31536000
Content-Type
image/svg+xml
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=98
Content-Length
9724
close.4a106517.svg
pubs.er.usgs.gov/static/assets/img/
2 KB
2 KB
Image
General
Full URL
https://pubs.er.usgs.gov/static/assets/img/close.4a106517.svg
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
1ac198d7b5fe1c160302e0a2b2a9da3241e9ca75723f510b930031ef4f0015b7
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://pubs.er.usgs.gov/publication/pp1395
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:25 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:50 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"705-587348c924a80"
Strict-Transport-Security
max-age=31536000
Content-Type
image/svg+xml
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=95
Content-Length
1797
_
pubs.er.usgs.gov/imgsizer/
45 KB
45 KB
Image
General
Full URL
https://pubs.er.usgs.gov/imgsizer/_?f=PNG&u=https%3A%2F%2Fpubs.usgs.gov%2Fpp%2F1395%2Freport-thumb.jpg&w=200&s=b%27B00AXKb8RLd3rKDd1b-31F_U47M%27
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
c9dd2b1fc50403147a3b5260b0f3853e7675332e16d98144fb1a3c141165c015
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://pubs.er.usgs.gov/publication/pp1395
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:25 GMT
Last-Modified
Tue, 23 Apr 2019 16:07:32 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"1556035652.0-45865-1551310196"
Strict-Transport-Security
max-age=31536000
Content-Type
image/png
Cache-Control
public, max-age=3600
Connection
Keep-Alive
Keep-Alive
timeout=5, max=99
Content-Length
45865
Expires
Thu, 05 Sep 2019 04:07:25 GMT
/
badges.altmetric.com/
18 KB
18 KB
Image
General
Full URL
https://badges.altmetric.com/?size=64&score=30&types=qttttwwg
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:1b::514 , Ascension Island, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
nginx /
Resource Hash
313b74fccd5c01c3f79591d8c0dad79e542b18472dd6a7696348ca346bd697c0

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://pubs.er.usgs.gov/publication/pp1395
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Thu, 05 Sep 2019 03:07:25 GMT
via
1.1 varnish
server
nginx
age
67038
x-cache
HIT
content-type
image/png
status
200
expires
Thu, 05 Sep 2019 08:30:06 GMT
cache-control
max-age=86400
x-cache-hits
1
accept-ranges
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x-timer
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access-control-allow-origin
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content-length
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x-served-by
cache-hhn4081-HHN
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2 KB
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General
Full URL
https://www2.usgs.gov/scripts/analytics/usgs-analytics.js
Requested by
Host: pubs.er.usgs.gov
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Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
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Security Headers
Name Value
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X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
no-cors
Referer
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User-Agent
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Response headers

Date
Thu, 05 Sep 2019 03:07:26 GMT
Strict-Transport-Security
max-age=31536000; includeSubDomains; preload;
Last-Modified
Fri, 15 Feb 2019 20:13:00 GMT
Server
Apache
ETag
"91e-581f466c8eb00"
X-Frame-Options
SAMEORIGIN
Content-Type
application/javascript
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public, max-age=86400
Connection
Keep-Alive
Accept-Ranges
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Content-Length
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Script
General
Full URL
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Requested by
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URL: https://pubs.er.usgs.gov/static/assets/vendor/MathJax/MathJax.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
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Request headers

Sec-Fetch-Mode
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User-Agent
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Response headers

Date
Thu, 05 Sep 2019 03:07:25 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:50 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"4f4-587348c924a80"
Strict-Transport-Security
max-age=31536000
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application/javascript
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Keep-Alive
Accept-Ranges
bytes
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Content-Length
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Protocol
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Security
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Security Headers
Name Value
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Request headers

Sec-Fetch-Mode
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Referer
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User-Agent
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Response headers

Date
Thu, 05 Sep 2019 03:07:25 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:50 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"7bc-587348c924a80"
Strict-Transport-Security
max-age=31536000
Content-Type
application/javascript
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=94
Content-Length
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pubs.er.usgs.gov/static/assets/vendor/MathJax/extensions/
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Script
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Full URL
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Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/static/assets/vendor/MathJax/MathJax.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000
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Request headers

Sec-Fetch-Mode
no-cors
Referer
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User-Agent
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Response headers

Date
Thu, 05 Sep 2019 03:07:25 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:48 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"1bdb-587348c73c600"
Strict-Transport-Security
max-age=31536000
Content-Type
application/javascript
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Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
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pubs.er.usgs.gov/static/assets/scripts/
24 KB
25 KB
Fetch
General
Full URL
https://pubs.er.usgs.gov/static/assets/scripts/common.361858ca.js
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/static/assets/vendor/system.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
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Name Value
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Accept
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Sec-Fetch-Mode
cors

Response headers

Date
Thu, 05 Sep 2019 03:07:25 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:50 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"61ba-587348c924a80"
Strict-Transport-Security
max-age=31536000
Content-Type
application/javascript
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=97
Content-Length
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Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
no-cors
Referer
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User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:25 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:50 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"218-587348c924a80"
Strict-Transport-Security
max-age=31536000
Content-Type
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Accept-Ranges
bytes
Keep-Alive
timeout=5, max=98
Content-Length
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867 B
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Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
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X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
no-cors
Referer
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User-Agent
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Response headers

Date
Thu, 05 Sep 2019 03:07:25 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:50 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"218-587348c924a80"
Strict-Transport-Security
max-age=31536000
Content-Type
image/svg+xml
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Keep-Alive
Accept-Ranges
bytes
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Content-Length
536
search.06982348.svg
pubs.er.usgs.gov/static/assets/img/
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Image
General
Full URL
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Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
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/
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
no-cors
Referer
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User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:25 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:50 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"44b-587348c924a80"
Strict-Transport-Security
max-age=31536000
Content-Type
image/svg+xml
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Keep-Alive
Accept-Ranges
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Keep-Alive
timeout=5, max=97
Content-Length
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Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
cors
Referer
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Origin
https://pubs.er.usgs.gov
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:25 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:48 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"5c84-587348c73c600"
Strict-Transport-Security
max-age=31536000
Content-Type
text/plain
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=98
Content-Length
23684
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pubs.er.usgs.gov/static/assets/fonts/
23 KB
23 KB
Font
General
Full URL
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Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
cors
Referer
https://pubs.er.usgs.gov/static/assets/pubs_base.17974b95.css
Origin
https://pubs.er.usgs.gov
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:25 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:48 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"5b48-587348c73c600"
Strict-Transport-Security
max-age=31536000
Content-Type
text/plain
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=96
Content-Length
23368
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pubs.er.usgs.gov/static/assets/fonts/
26 KB
27 KB
Font
General
Full URL
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Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
cors
Referer
https://pubs.er.usgs.gov/static/assets/pubs_base.17974b95.css
Origin
https://pubs.er.usgs.gov
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:25 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:48 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"6994-587348c73c600"
Strict-Transport-Security
max-age=31536000
Content-Type
text/plain
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=98
Content-Length
27028
widgets.js
platform.twitter.com/
94 KB
28 KB
Script
General
Full URL
https://platform.twitter.com/widgets.js
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
2606:2800:234:46c:e8b:1e2f:2bd:694 , United States, ASN15133 (EDGECAST - MCI Communications Services, Inc. d/b/a Verizon Business, US),
Reverse DNS
Software
ECS (fcn/40B5) /
Resource Hash
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Request headers

Sec-Fetch-Mode
no-cors
Referer
https://pubs.er.usgs.gov/publication/pp1395
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:25 GMT
Content-Encoding
gzip
Last-Modified
Wed, 04 Sep 2019 20:43:50 GMT
Server
ECS (fcn/40B5)
Etag
"6ccb9515b4f8cd36a731eee1770c0a9f+gzip"
Vary
Accept-Encoding
Access-Control-Allow-Methods
GET
P3P
CP="CAO DSP LAW CURa ADMa DEVa TAIa PSAa PSDa IVAa IVDa OUR BUS IND UNI COM NAV INT"
Access-control-allow-origin
*
Cache-Control
public, max-age=1800
X-Cache
HIT
Content-Type
application/javascript; charset=utf-8
Content-Length
28408
academicons.ttf
pubs.er.usgs.gov/static/assets/vendor/academicons/fonts/
46 KB
47 KB
Font
General
Full URL
https://pubs.er.usgs.gov/static/assets/vendor/academicons/fonts/academicons.ttf?v=1.8.6
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
107cca07d33ea31bbfe719513aa2b36e8cb8c8c8bcd521148746f652738c7101
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
cors
Referer
https://pubs.er.usgs.gov/static/assets/vendor/academicons/css/academicons.css
Origin
https://pubs.er.usgs.gov
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:25 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:48 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"b98c-587348c73c600"
Strict-Transport-Security
max-age=31536000
Content-Type
application/x-font-ttf
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=93
Content-Length
47500
pubswh_plugins.b6f588d3.js
pubs.er.usgs.gov/static/assets/scripts/
541 B
881 B
Fetch
General
Full URL
https://pubs.er.usgs.gov/static/assets/scripts/pubswh_plugins.b6f588d3.js
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/static/assets/vendor/system.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
0b6ce2791de11b558da18b094f8b05671992dee74e42940cf449c76a55b2e7d9
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Accept
application/x-es-module, */*
Referer
https://pubs.er.usgs.gov/publication/pp1395
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Mode
cors

Response headers

Date
Thu, 05 Sep 2019 03:07:25 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:50 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"21d-587348c924a80"
Strict-Transport-Security
max-age=31536000
Content-Type
application/javascript
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=97
Content-Length
541
analytics.js
www.google-analytics.com/
43 KB
17 KB
Script
General
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81a::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
dbb67c620eaabf6679a314db18d3ae43037aef71ab27422e6feec08ee987cc0a
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
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User-Agent
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Response headers

pragma
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server
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Response headers

Date
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Last-Modified
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X-FRAME-OPTIONS
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Response headers

Date
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Response headers

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Response headers

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Response headers

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content-encoding
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server
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35 B
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General
Full URL
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Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
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TLS 1.3, , AES_128_GCM
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Response headers

pragma
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expires
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collect
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35 B
112 B
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General
Full URL
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Request headers

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Response headers

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expires
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Protocol
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Resource Hash
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Request headers

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Response headers

pragma
no-cache
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alt-svc
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expires
Fri, 01 Jan 1990 00:00:00 GMT
collect
stats.g.doubleclick.net/r/
35 B
102 B
Image
General
Full URL
https://stats.g.doubleclick.net/r/collect?t=dc&aip=1&_r=3&v=1&_v=j79&tid=UA-23479674-1&cid=1152464733.1567652845&jid=785754561&gjid=1705874471&_gid=1540597644.1567652845&_u=aGHAgUAB~&z=1340451081
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/publication/pp1395
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c00::9a Brussels, Belgium, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://pubs.er.usgs.gov/publication/pp1395
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

pragma
no-cache
strict-transport-security
max-age=10886400; includeSubDomains; preload
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
date
Thu, 05 Sep 2019 03:07:26 GMT
status
200
content-type
image/gif
access-control-allow-origin
*
cache-control
no-cache, no-store, must-revalidate
alt-svc
quic=":443"; ma=2592000; v="46,43,39"
content-length
35
expires
Fri, 01 Jan 1990 00:00:00 GMT
MathMenu.js
pubs.er.usgs.gov/static/assets/vendor/MathJax/extensions/
37 KB
38 KB
Script
General
Full URL
https://pubs.er.usgs.gov/static/assets/vendor/MathJax/extensions/MathMenu.js?V=2.7.5
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/static/assets/vendor/MathJax/MathJax.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
cf7e628d8c6b2e026e20bd895ec92606e24576d43e7665e4842a9f582ed87880
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://pubs.er.usgs.gov/publication/pp1395
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:27 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:48 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"9564-587348c73c600"
Strict-Transport-Security
max-age=31536000
Content-Type
application/javascript
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=96
Content-Length
38244
MathZoom.js
pubs.er.usgs.gov/static/assets/vendor/MathJax/extensions/
8 KB
9 KB
Script
General
Full URL
https://pubs.er.usgs.gov/static/assets/vendor/MathJax/extensions/MathZoom.js?V=2.7.5
Requested by
Host: pubs.er.usgs.gov
URL: https://pubs.er.usgs.gov/static/assets/vendor/MathJax/MathJax.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:49c8:8000:121d::78 , United States, ASN22284 (-Reserved AS-, ZZ),
Reverse DNS
Software
/
Resource Hash
b612cfc314cfc63fe9b94bb674e9ef2293f5452700e9ee9cab1c31f3937ff1d0
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Request headers

Sec-Fetch-Mode
no-cors
Referer
https://pubs.er.usgs.gov/publication/pp1395
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Thu, 05 Sep 2019 03:07:28 GMT
Last-Modified
Tue, 23 Apr 2019 15:50:48 GMT
X-FRAME-OPTIONS
SAMEORIGIN
ETag
"21d6-587348c73c600"
Strict-Transport-Security
max-age=31536000
Content-Type
application/javascript
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=94
Content-Length
8662

Verdicts & Comments Add Verdict or Comment

55 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| MathJax object| System object| SystemJS object| CONFIG object| GA string| GoogleAnalyticsObject function| ga object| google_tag_data object| gaplugins object| gaGlobal object| gaData object| __twttrll object| twttr object| __twttr function| include object| oCONFIG function| _onEveryPage function| _defineCookieDomain function| _defineAgencyCDsValues function| _cleanBooleanParam function| _isValidUANum function| _cleanDimensionValue function| _updateConfig function| _sendCustomDimensions function| _sendCustomMetrics function| _sendEvent function| _sendPageview function| gas function| _URIHandler function| _isExcludedReferrer string| tObjectCheck function| createTracker function| _initAutoTracker undefined| videoArray_fed undefined| playerArray_fed undefined| _f33 undefined| _f66 undefined| _f90 undefined| tag undefined| firstScriptTag undefined| youtube_parser_fed undefined| IsYouTube_fed undefined| YTUrlHandler_fed undefined| _initYouTubeTracker undefined| onYouTubePlayerAPIReady undefined| onFedPlayerReady undefined| onFedPlayerStateChange function| _initIdAssigner function| _tagClicks function| _setUpTrackers function| _setUpTrackersIfReady string| _fullParams string| _keyValuePair string| _key boolean| _value

7 Cookies

Domain/Path Name / Value
.pubs.er.usgs.gov/ Name: _gat_GSA_ENOR1
Value: 1
.pubs.er.usgs.gov/ Name: _gat_GSA_ENOR0
Value: 1
.pubs.er.usgs.gov/ Name: _ga
Value: GA1.4.1152464733.1567652845
.pubs.er.usgs.gov/ Name: _gid
Value: GA1.4.1540597644.1567652845
.usgs.gov/ Name: _gat
Value: 1
.usgs.gov/ Name: _gid
Value: GA1.2.1540597644.1567652845
.usgs.gov/ Name: _ga
Value: GA1.2.1152464733.1567652845

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

badges.altmetric.com
dap.digitalgov.gov
platform.twitter.com
pubs.er.usgs.gov
stats.g.doubleclick.net
syndication.twitter.com
www.google-analytics.com
www2.usgs.gov
104.244.42.200
137.227.252.45
2001:49c8:8000:121d::78
2600:9000:2057:4600:5:83ea:ba80:93a1
2606:2800:234:46c:e8b:1e2f:2bd:694
2a00:1450:4001:81a::200e
2a00:1450:400c:c00::9a
2a04:4e42:1b::514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