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.2011.03.11.055508

Tsunami Information Earthquake Information
Message Time: 11 Mar 2011 05:55 UTC
Message Num: 1
Message Text: click to read
Message Type: Expanding Regional Tsunami Warning
Warning: Japan, Russia, Marcus Is., N. Marianas A Tsunami Watch is in Effect For Guam, Wake Is., Taiwan, Yap, Philippines, Marshall Is., Belau, Midway Is., Pohnpei, Chuuk, Kosrae, Indonesia, Papua New Guinea, Nauru, Hawaii For All Other Areas Covered by This Bulletin... It is For Information Only at This Time.
ETAs / Obs: none
Preliminary (PTWC)
Origin Time: 11 Mar 2011 05:46 UTC
Magnitude: 7.9 Mwp
(reviewed by PTWC)
Latitude: 38° N
Longitude: 142.9° E
Depth: 10 km (6.2 mi)
Location: Near East Coast of Honshu Japan
More Info.: search the USGS NEIC catalog

The event map is not currently available.

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