Quakes · tsunami
198 km sse of atka, alaska
USGS-USC000TWDD
- issued
- 2015-03-07 13:18Z
- status
- cancelled 2015-03-10 13:18Z
- self-cancels
- 2015-03-10 13:18Z
- authority
- USGS NEIC
- sea
- North Pacific Ocean
- position
- 50.508, -173.290
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
198 KM SSE OF ATKA, ALASKA. 1. EARTHQUAKE MAGNITUDE 5.6 (MWW) IN 50.508N 173.290W, DEPTH 10 KM AT 071318Z MAR 15. 2. A TSUNAMI MESSAGE WAS ISSUED FOR THIS EVENT. FOLLOW THE TSUNAMI WARNING CENTRES. 3. USGS EVENT USC000TWDD. https://earthquake.usgs.gov/earthquakes/eventpage/usc000twdd
This area · earthquake & tsunami bulletins
114 within 180 nm since 1997 · 6 in the last 12 months · 1 in force now
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26
- 84 km ssw of nikolski, alaska2026-09-03
- 103 km se of atka, alaska2026-07-26
- 172 km ene of atka, alaska2026-05-22
- 93 km sw of nikolski, alaska2026-02-23
- 96 km sw of nikolski, alaska2026-02-23
- 67 km ssw of adak, alaska2025-11-23
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.