Quakes · tsunami
58 km e of port alsworth, alaska
USGS-AK021GBH4RSO
- issued
- 2021-12-21 22:42Z
- status
- cancelled 2021-12-24 22:42Z
- self-cancels
- 2021-12-24 22:42Z
- authority
- USGS NEIC
- sea
- Gulf of Alaska
- position
- 60.124, -153.274
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
58 KM E OF PORT ALSWORTH, ALASKA. 1. EARTHQUAKE MAGNITUDE 5.9 (MWW) IN 60.124N 153.274W, DEPTH 151 KM AT 212242Z DEC 21. 2. A TSUNAMI MESSAGE WAS ISSUED FOR THIS EVENT. FOLLOW THE TSUNAMI WARNING CENTRES. 3. USGS EVENT AK021GBH4RSO. https://earthquake.usgs.gov/earthquakes/eventpage/ak021gbh4rso
This area · earthquake & tsunami bulletins
28 within 180 nm since 1998 · 1 in the last 12 months · 0 in force now
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25
- 12 km wnw of susitna, alaska2025-11-27
- 61 km ssw of nanwalek, alaska2019-05-27
- Earthquake with magnitude of 7.2 has occurred in vicinity 61-18N 149-48W at 301729Z nov2018-11-30
- 7 km nnw of anchorage, alaska2018-11-30
- 1 km se of point mackenzie, alaska2018-11-30
- 50 km ene of pedro bay, alaska2018-11-21
Season · when earthquake & tsunami bulletins happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- Western cook inlet, akSpills · 71.9 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.