Quakes · tsunami

223 km ese of attu station, alaska

USGS-US7000S211

issued: 2026-03-04 17:54Z
status: cancelled 2026-03-07 17:54Z
self-cancels: 2026-03-07 17:54Z
authority: USGS NEIC
sea: Bering Sea
position: 52.326, 176.371
source: usgs · first seen 2026-09-03 15:13Z

Original warning text

223 KM ESE OF ATTU STATION, ALASKA.
1. EARTHQUAKE MAGNITUDE 6.4 (MWW) IN 52.326N 176.371E, DEPTH 10 KM AT 041754Z MAR 26.
2. A TSUNAMI MESSAGE WAS ISSUED FOR THIS EVENT. FOLLOW THE TSUNAMI WARNING CENTRES.
3. USGS EVENT US7000S211. https://earthquake.usgs.gov/earthquakes/eventpage/us7000s211

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
231 km ese of attu station, alaska2026-03-06
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

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

223 km ese of attu station, alaska this message2026-03-04 → 2026-03-07
231 km ese of attu station, alaska2026-03-06 → 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 · 85.6 nm
Commdet kodiak, ak remote site shemya 52-43.00N 174-07.00E hf r/t services off airNav aids · 85.6 nm

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