Quakes · tsunami
123 km nne of atka, alaska
USGS-US7000C6L2
- issued
- 2020-10-28 04:13Z
- status
- cancelled 2020-10-31 04:13Z
- self-cancels
- 2020-10-31 04:13Z
- authority
- USGS NEIC
- sea
- Bering Sea
- position
- 53.202, -173.416
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
123 KM NNE OF ATKA, ALASKA. 1. EARTHQUAKE MAGNITUDE 5.5 (MWW) IN 53.202N 173.416W, DEPTH 240 KM AT 280413Z OCT 20. 2. A TSUNAMI MESSAGE WAS ISSUED FOR THIS EVENT. FOLLOW THE TSUNAMI WARNING CENTRES. 3. USGS EVENT US7000C6L2. https://earthquake.usgs.gov/earthquakes/eventpage/us7000c6l2
This area · earthquake & tsunami bulletins
118 within 180 nm since 1997 · 8 in the last 12 months · 1 in force now
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- 84 km ssw of nikolski, alaska2026-09-03
- 103 km se of atka, alaska2026-07-26
- 172 km ene of atka, alaska2026-05-22
- 92 km s of nikolski, alaska2026-03-05
- 93 km sw of nikolski, alaska2026-02-23
- 96 km sw of nikolski, alaska2026-02-23
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.