Quakes

288 km se of attu station, alaska

USGS-USP000CB2T

issued: 2003-10-23 10:54Z
status: cancelled 2003-10-26 10:54Z
self-cancels: 2003-10-26 10:54Z
authority: USGS NEIC
sea: North Pacific Ocean
position: 51.400, 176.687
source: usgs · first seen 2026-09-03 15:08Z

Original warning text

288 KM SE OF ATTU STATION, ALASKA.
1. EARTHQUAKE MAGNITUDE 5.6 (MWC) IN 51.400N 176.687E, DEPTH 33 KM AT 231054Z OCT 03.
2. USGS EVENT USP000CB2T. https://earthquake.usgs.gov/earthquakes/eventpage/usp000cb2t

This area · earthquake & tsunami bulletins

87 within 180 nm since 1997 · 7 in the last 12 months · 0 in force now

296 km wsw of adak, alaska2026-05-09
Earthquake magnitude 6.1 (ml) in 50.981N 179.214E, depth 16 km at 090442Z may 262026-05-09
233 km ese of attu station, alaska2026-05-06
231 km ese of attu station, alaska2026-03-06
223 km ese of attu station, alaska2026-03-04
280 km ese of attu station, alaska2026-01-15

Season · when earthquake & tsunami bulletins happen here

month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

5 earthquake & tsunami bulletins in force · see all

Quakes

Undersea earthquakes of magnitude 5.5 and above (USGS) and the tsunami bulletins NAVAREA coordinators relay. All current earthquake & tsunami bulletins →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.