Quakes · tsunami

231 km ese of attu station, alaska

USGS-US7000S2N6

issued: 2026-03-06 21:08Z
status: cancelled 2026-03-09 21:08Z
self-cancels: 2026-03-09 21:08Z
authority: USGS NEIC
sea: Bering Sea
position: 52.235, 176.449
source: usgs · first seen 2026-09-03 15:13Z

Original warning text

231 KM ESE OF ATTU STATION, ALASKA.
1. EARTHQUAKE MAGNITUDE 5.7 (MWW) IN 52.235N 176.449E, DEPTH 8 KM AT 062108Z MAR 26.
2. A TSUNAMI MESSAGE WAS ISSUED FOR THIS EVENT. FOLLOW THE TSUNAMI WARNING CENTRES.
3. USGS EVENT US7000S2N6. https://earthquake.usgs.gov/earthquakes/eventpage/us7000s2n6

This area · earthquake & tsunami bulletins

89 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
223 km ese of attu station, alaska2026-03-04
280 km ese of attu station, alaska2026-01-15
Earthquake magnitude 5.5 (mww) in 52.151N 178.353E, depth 108 km at 131051Z dec 252025-12-13

Season · when earthquake & tsunami bulletins happen here

month of issue, all years in the archive

Timeline · 2 messages since 2026-03-04 · closed 2026-03-09

223 km ese of attu station, alaska2026-03-04 → 2026-03-07
231 km ese of attu station, alaska this message2026-03-06 → 2026-03-09

joined by proximity

Nearby now · within 120 nm

Uscg remote communication facility shemya 52-43.00N 174-07.00E hf transmit and receive services inoperativeNav aids · 90.1 nm
Commdet kodiak, ak remote site shemya 52-43.00N 174-07.00E hf r/t services off airNav aids · 90.1 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.