Quakes · tsunami

152 km ese of attu station, alaska

USGS-USB000S4PB

issued: 2014-08-20 20:12Z
status: cancelled 2014-08-23 20:12Z
self-cancels: 2014-08-23 20:12Z
authority: USGS NEIC
sea: Bering Sea
position: 52.507, 175.378
source: usgs · first seen 2026-09-03 15:13Z

Original warning text

152 KM ESE OF ATTU STATION, ALASKA.
1. EARTHQUAKE MAGNITUDE 5.5 (MWB) IN 52.507N 175.378E, DEPTH 5 KM AT 202012Z AUG 14.
2. A TSUNAMI MESSAGE WAS ISSUED FOR THIS EVENT. FOLLOW THE TSUNAMI WARNING CENTRES.
3. USGS EVENT USB000S4PB. https://earthquake.usgs.gov/earthquakes/eventpage/usb000s4pb

This area · earthquake & tsunami bulletins

92 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

Uscg remote communication facility shemya 52-43.00N 174-07.00E hf transmit and receive services inoperativeNav aids · 47.7 nm
Commdet kodiak, ak remote site shemya 52-43.00N 174-07.00E hf r/t services off airNav aids · 47.7 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.