Quakes

250 km w of adak, alaska

USGS-USP000HM39

issued: 2010-09-23 05:28Z
status: cancelled 2010-09-26 05:28Z
self-cancels: 2010-09-26 05:28Z
authority: USGS NEIC
sea: Bering Sea
position: 52.233, 179.754
source: usgs · first seen 2026-09-03 15:13Z

Original warning text

250 KM W OF ADAK, ALASKA.
1. EARTHQUAKE MAGNITUDE 5.6 (MWC) IN 52.233N 179.754E, DEPTH 168 KM AT 230528Z SEP 10.
2. USGS EVENT USP000HM39. https://earthquake.usgs.gov/earthquakes/eventpage/usp000hm39

This area · earthquake & tsunami bulletins

80 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

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Timeline · 2 messages since 2010-09-23 · closed 2010-09-29

250 km w of adak, alaska this message2010-09-23 → 2010-09-26
256 km wnw of adak, alaska2010-09-26 → 2010-09-29

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Nearby now · within 120 nm

Nothing else in force within 120 nm.

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