Quakes · tsunami
239 km wsw of adak, alaska
USGS-US600087LZ
- issued
- 2020-03-02 00:31Z
- status
- cancelled 2020-03-05 00:31Z
- self-cancels
- 2020-03-05 00:31Z
- authority
- USGS NEIC
- sea
- North Pacific Ocean
- position
- 51.107, -179.850
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
239 KM WSW OF ADAK, ALASKA. 1. EARTHQUAKE MAGNITUDE 5.7 (MWW) IN 51.107N 179.850W, DEPTH 20 KM AT 020031Z MAR 20. 2. A TSUNAMI MESSAGE WAS ISSUED FOR THIS EVENT. FOLLOW THE TSUNAMI WARNING CENTRES. 3. USGS EVENT US600087LZ. https://earthquake.usgs.gov/earthquakes/eventpage/us600087lz
This area · earthquake & tsunami bulletins
115 within 180 nm since 1997 · 2 in the last 12 months · 0 in force now
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25
- 67 km ssw of adak, alaska2025-11-23
- 122 km sw of adak, alaska2025-09-21
- 88 km sse of adak, alaska2025-03-22
- 87 km sse of adak, alaska2025-03-21
- 88 km sse of adak, alaska2025-03-21
- 93 km sse of adak, alaska2025-03-20
Season · when earthquake & tsunami bulletins happen here
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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.