Quakes
85 km wnw of adak, alaska
USGS-USP0009FHZ
- issued
- 1999-10-07 04:50Z
- status
- cancelled 1999-10-10 04:50Z
- self-cancels
- 1999-10-10 04:50Z
- authority
- USGS NEIC
- sea
- Bering Sea
- position
- 52.243, -177.720
- source
- usgs · first seen 2026-09-03 15:08Z
Original warning text
85 KM WNW OF ADAK, ALASKA. 1. EARTHQUAKE MAGNITUDE 5.5 (MWC) IN 52.243N 177.720W, DEPTH 149 KM AT 070450Z OCT 99. 2. USGS EVENT USP0009FHZ. https://earthquake.usgs.gov/earthquakes/eventpage/usp0009fhz
This area · earthquake & tsunami bulletins
144 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 →
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