Click on the tabs below to see tsunami messages relevant to each of PTWC's areas of responsibility.

All Regions Pacific Ocean Hawaiʻi Caribbean Sea Indian Ocean (discontinued)

Message pacific.2011.09.22.231409

Tsunami Information Earthquake Information
Message Time: 22 Sep 2011 23:14 UTC
Message Num: 1
Message Text: click to read
Message Type: Tsunami Information Bulletin
Warning: none
Watch: none
ETAs / Obs: none
Preliminary (PTWC)Official (USGS)
Origin Time: 22 Sep 2011 23:07 UTC 22 Sep 2011 23:07 UTC
Magnitude: 6.8 Mwp
(reviewed by PTWC)
6.4
Latitude: 15° S 15.4° S
Longitude: 174.8° W 175.2° W
Depth: 41 km (25.5 mi) 9.8 km (6.1 mi)
Location: Samoa Islands Region
More Info.: updated earthquake information from the USGS NEIC
pacific.2011.09.22.231409 map

NOTE: PTWC earthquake parameters are only preliminary.
The USGS National Earthquake Information Center (NEIC) is the official source for earthquake information.   USGS
 
Did you feel it? Report a felt earthquake.


More Information


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.