Quakes · tsunami
78 km nnw of adak, alaska
USGS-US6000LFVN
- issued
- 2023-10-16 11:35Z
- status
- cancelled 2023-10-19 11:35Z
- self-cancels
- 2023-10-19 11:35Z
- authority
- USGS NEIC
- sea
- Bering Sea
- position
- 52.559, -176.924
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
78 KM NNW OF ADAK, ALASKA. 1. EARTHQUAKE MAGNITUDE 6.4 (MWW) IN 52.559N 176.924W, DEPTH 174 KM AT 161135Z OCT 23. 2. A TSUNAMI MESSAGE WAS ISSUED FOR THIS EVENT. FOLLOW THE TSUNAMI WARNING CENTRES. 3. USGS EVENT US6000LFVN. https://earthquake.usgs.gov/earthquakes/eventpage/us6000lfvn
This area · earthquake & tsunami bulletins
146 within 180 nm since 1997 · 3 in the last 12 months · 0 in force now
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- 103 km se of atka, alaska2026-07-26
- 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
Season · when earthquake & tsunami bulletins happen here
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month of issue, all years in the archive
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.