Earthquake CAP Alerts
What is a CAP Alert?
Common Alerting Protocol is a standard XML format for alerting and notification. Learn more about CAP Alerts.
Getting CAP Alerts
FEMA IPAWS Open Platform for Emergency Networks
To integrate CAP Alerts into your software, please contact FEMA IPAWS Open Platform for Emergency Networks, which receives and distributes CAP Alerts from USGS and many other agencies.
ATOM Feeds
We also include links to Earthquake CAP alerts in the ATOM Feeds. The link rel attribute is "related" and the link type attribute is "application/cap+xml":
<entry> <id>urn:earthquake-usgs-gov:ak:10329133</id> <title>M 2.9, Southern Alaska</title> <updated>2011-10-05T21:50:12Z</updated> <link rel="alternate" type="text/html" href="http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/ak10329133.php"/> <link rel="related" type="application/cap+xml" href="http://earthquake.usgs.gov/earthquakes/catalogs/cap/ak10329133"/> <summary type="html"> <![CDATA[ <img src="http://earthquake.usgs.gov/images/globes/60_-155.jpg" alt="59.328°N 153.646°W" align="left" hspace="20" /><p>Wednesday, October 5, 2011 21:50:12 UTC<br>Wednesday, October 5, 2011 01:50:12 PM at epicenter</p><p><strong>Depth</strong>: 94.80 km (58.91 mi)</p> ]]> </summary> <georss:point>59.3275 -153.6455</georss:point> <georss:elev>-94800</georss:elev> <category label="Age" term="Past hour"/> </entry>
Signatures
We digitally sign each CAP alert so users can verify that USGS sent the alert, and the alert has not been modified since it was sent. Learn more about XML Digital Signatures.
X.509 Certificate, After August 13, 2012
-----BEGIN CERTIFICATE----- MIIG9zCCBd+gAwIBAgIET3Dt3DANBgkqhkiG9w0BAQsFADCBhzELMAkGA1UEBhMCVVMxGDAWBgNV BAoTD1UuUy4gR292ZXJubWVudDEoMCYGA1UECxMfRGVwYXJ0bWVudCBvZiBIb21lbGFuZCBTZWN1 cml0eTEiMCAGA1UECxMZQ2VydGlmaWNhdGlvbiBBdXRob3JpdGllczEQMA4GA1UECxMHREhTIENB NDAeFw0xMjA3MDkxNDM4MTFaFw0xNTA3MDkxNTA4MTFaMIGNMQswCQYDVQQGEwJVUzEYMBYGA1UE ChMPVS5TLiBHb3Zlcm5tZW50MSgwJgYDVQQLEx9EZXBhcnRtZW50IG9mIEhvbWVsYW5kIFNlY3Vy aXR5MQ0wCwYDVQQLEwRGRU1BMRAwDgYDVQQLEwdEZXZpY2VzMRkwFwYDVQQDFBBJUEFXU09QRU5f MTIwMDUyMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxpVvSZiG8aJgbJZZJB0sOkGe GetDrQs0m/McENvtjuG3Fh8L6oMbxZ4m1aVY58kwUyeOB5UFZNC51rWEeI7q+E0LVGRniZ9RkkPO scYRRz842NiPvKwRe9GDcvMgQTHGTXRLDaJu5skpgU6qZWLVwpnz6ZPC3b265O/PlqQAkBZDzRn/ xXRY8ZbuXH6JC03Xc5GasfsQsG5wnKljmGN37q1GdglxezsVKjpTUnv0xT0HOXToXAG454cXkq7Z 9aZ7SvdxTou/ZftkIkBG3Mw7cB2KMB8GqwTWVA/HOsn22qGMBOJbzO/2evPSqoDkx0i15RajzCNs 0u5uT0o2VR+OowIDAQABo4IDYTCCA10wDgYDVR0PAQH/BAQDAgWgMCUGA1UdIAQeMBwwDAYKYIZI AWUDAgEDCDAMBgpghkgBZQMCAQUEMIIBGwYIKwYBBQUHAQEEggENMIIBCTA0BggrBgEFBQcwAoYo aHR0cDovL3BraS5kaW1jLmRocy5nb3YvZGhzY2FfZWVfYWlhLnA3YzCBqgYIKwYBBQUHMAKGgZ1s ZGFwOi8vbGRhcDAxLmRpbWMuZGhzLmdvdi9vdT1ESFMlMjBDQTQsb3U9Q2VydGlmaWNhdGlvbiUy MEF1dGhvcml0aWVzLG91PURlcGFydG1lbnQlMjBvZiUyMEhvbWVsYW5kJTIwU2VjdXJpdHksbz1V LlMuJTIwR292ZXJubWVudCxjPVVTP2NBQ2VydGlmaWNhdGU7YmluYXJ5MCQGCCsGAQUFBzABhhho dHRwOi8vb2NzcC5kaW1jLmRocy5nb3YwEwYDVR0lBAwwCgYIKwYBBQUHAwEwggGTBgNVHR8EggGK MIIBhjCCAVegggFToIIBT6SBnDCBmTELMAkGA1UEBhMCVVMxGDAWBgNVBAoTD1UuUy4gR292ZXJu bWVudDEoMCYGA1UECxMfRGVwYXJ0bWVudCBvZiBIb21lbGFuZCBTZWN1cml0eTEiMCAGA1UECxMZ Q2VydGlmaWNhdGlvbiBBdXRob3JpdGllczEQMA4GA1UECxMHREhTIENBNDEQMA4GA1UEAxMHQ1JM MTMxOYaBrWxkYXA6Ly9sZGFwMDEuZGltYy5kaHMuZ292L2NuPUNSTDEzMTksb3U9REhTJTIwQ0E0 LG91PUNlcnRpZmljYXRpb24lMjBBdXRob3JpdGllcyxvdT1EZXBhcnRtZW50JTIwb2YlMjBIb21l bGFuZCUyMFNlY3VyaXR5LG89VS5TLiUyMEdvdmVybm1lbnQsYz1VUz9jZXJ0aWZpY2F0ZVJldm9j YXRpb25MaXN0MCmgJ6AlhiNodHRwOi8vcGtpLmRpbWMuZGhzLmdvdi9ESFNfQ0ExLmNybDAfBgNV HSMEGDAWgBTxJDE2WMOMO9Xp58X2EzImnavTqTAdBgNVHQ4EFgQUIVkG9gUUeidV6JMvu9+ObwoZ 9eUwGQYJKoZIhvZ9B0EABAwwChsEVjcuMQMCA6gwDQYJKoZIhvcNAQELBQADggEBAG3HArYpiODo y/C/YNp9U9PHWyqIcNHvuLERRKQ9VZj0NiZUCsWCKNkC10ap973t6g3aq2S2O26NAHEu/0+/XcdL usqeNUI4sc3S0HSuC8mPrrEvIpLWPR814ObDmKWY9j1hNi4jKRlEenWHajaqjcuIHRjXrL+rNPYS g2MB04gQj5R0j8Ia6Wac9i+iCl52U6GCxAyeiLSsRbl3CNfz+x0vhhJQf+Ep3SAqDM106t7JHuCh p+11pvx6eB0Bs4l1RNwDCy619TMbOQHazcZxP7tADaBYZWTKZmXU4e8BW81d/hhF6RujAW/xRzyu aWjdWg5DW4OBKxBgcLzUTz6xlkE= -----END CERTIFICATE-----
X.509 Certificate, Before August 13, 2012
-----BEGIN CERTIFICATE----- MIIG8zCCBdugAwIBAgIESn14XjANBgkqhkiG9w0BAQsFADCBhzELMAkGA1UEBhMCVVMxGDAWBgNV BAoTD1UuUy4gR292ZXJubWVudDEoMCYGA1UECxMfRGVwYXJ0bWVudCBvZiBIb21lbGFuZCBTZWN1 cml0eTEiMCAGA1UECxMZQ2VydGlmaWNhdGlvbiBBdXRob3JpdGllczEQMA4GA1UECxMHREhTIENB NDAeFw0xMTAzMDIxMzQzNTFaFw0xNDAzMDIxNDEzNTFaMIGgMQswCQYDVQQGEwJVUzEYMBYGA1UE ChMPVS5TLiBHb3Zlcm5tZW50MSgwJgYDVQQLEx9EZXBhcnRtZW50IG9mIEhvbWVsYW5kIFNlY3Vy aXR5MQ0wCwYDVQQLEwRGRU1BMRAwDgYDVQQLEwdEZXZpY2VzMSwwEQYDVQQDFApETU9QRU5fOTk5 MBcGCgmSJomT8ixkAQETCTEwMDIzMTAyOTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB AIqkjkhkaCSO4YPMlIoeVhTj3BLHOG2YWMENXrQUjOXmIqeKXNsa95+WjJyTgmrRVCIiQcSH6Kaf vcOVudi76kCbLfqpH7+mVemVLvOpS1dc51yjn9dG9SbQbZGYiQPmpWhNcXfqDJs/inWEaaAGlRSj OwpZ17teqVfWSxx7S5gHurDvjCGfrqdUPvQqhd9qyVzOHsTyqnRAQh2K89YggIwwKUcMV2+tA+ML UBLUxfbfc95NUY5274qM1kLhf5OTM3XFWwn0SZPLN5BfqGiaJVnd7pDnxMaQUBYiEPK4rRGy1kvs 98neuoPQnV0byWVobeDFmpgzgpQWkZzShn5brQECAwEAAaOCA0owggNGMA4GA1UdDwEB/wQEAwIG wDAlBgNVHSAEHjAcMAwGCmCGSAFlAwIBAwYwDAYKYIZIAWUDAgEFBzCCARsGCCsGAQUFBwEBBIIB DTCCAQkwNAYIKwYBBQUHMAKGKGh0dHA6Ly9wa2kuZGltYy5kaHMuZ292L2Roc2NhX2VlX2FpYS5w N2MwgaoGCCsGAQUFBzAChoGdbGRhcDovL2xkYXAwMS5kaW1jLmRocy5nb3Yvb3U9REhTJTIwQ0E0 LG91PUNlcnRpZmljYXRpb24lMjBBdXRob3JpdGllcyxvdT1EZXBhcnRtZW50JTIwb2YlMjBIb21l bGFuZCUyMFNlY3VyaXR5LG89VS5TLiUyMEdvdmVybm1lbnQsYz1VUz9jQUNlcnRpZmljYXRlO2Jp bmFyeTAkBggrBgEFBQcwAYYYaHR0cDovL29jc3AuZGltYy5kaHMuZ292MIIBkQYDVR0fBIIBiDCC AYQwggFVoIIBUaCCAU2kgZswgZgxCzAJBgNVBAYTAlVTMRgwFgYDVQQKEw9VLlMuIEdvdmVybm1l bnQxKDAmBgNVBAsTH0RlcGFydG1lbnQgb2YgSG9tZWxhbmQgU2VjdXJpdHkxIjAgBgNVBAsTGUNl cnRpZmljYXRpb24gQXV0aG9yaXRpZXMxEDAOBgNVBAsTB0RIUyBDQTQxDzANBgNVBAMTBkNSTDc5 MIaBrGxkYXA6Ly9sZGFwMDEuZGltYy5kaHMuZ292L2NuPUNSTDc5MCxvdT1ESFMlMjBDQTQsb3U9 Q2VydGlmaWNhdGlvbiUyMEF1dGhvcml0aWVzLG91PURlcGFydG1lbnQlMjBvZiUyMEhvbWVsYW5k JTIwU2VjdXJpdHksbz1VLlMuJTIwR292ZXJubWVudCxjPVVTP2NlcnRpZmljYXRlUmV2b2NhdGlv bkxpc3QwKaAnoCWGI2h0dHA6Ly9wa2kuZGltYy5kaHMuZ292L0RIU19DQTEuY3JsMB8GA1UdIwQY MBaAFPEkMTZYw4w71ennxfYTMiadq9OpMB0GA1UdDgQWBBS/C/4qKVG2Z5wPv92LTMa5VVYMtDAZ BgkqhkiG9n0HQQAEDDAKGwRWNy4xAwIEsDANBgkqhkiG9w0BAQsFAAOCAQEAVyQr6kv72jG+n4Xp /yU9782g6OEfDDkvzGTMzHfHfoA8ONBfN9cnkTzTM+yXm67n+GNkr8aOlcw2sUxgepHigWawd3i5 Q5DPCgqTQuJ1L3iJozX8eYQhOWa6VCmhL8qYZE8aInNBjXgQEApNjuYEqj4HqL3CVUQrSIVnHRI/ 5aQI5YghfsIi5m1KeS6WMz7A8M1r7fs+IIIBi10bHMvD2jBnXrLhTYWFCvNKRrLLx8E54TZ31asg CxnIsWiwExQKIL6Xc4VCOUXMh3b2EQi7VR77iheCW+SO9Q6tSXQ3eMksATI4qqVMo1gRebfQdrbA UnG6iQei95EZ2rA/FJzurQ== -----END CERTIFICATE-----