Quakes · tsunami
73 km s of ivanof bay, alaska
USGS-US6000B29H
- issued
- 2020-07-22 21:39Z
- status
- cancelled 2020-07-25 21:39Z
- self-cancels
- 2020-07-25 21:39Z
- authority
- USGS NEIC
- sea
- Gulf of Alaska
- position
- 55.246, -159.344
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
73 KM S OF IVANOF BAY, ALASKA. 1. EARTHQUAKE MAGNITUDE 5.5 (MWW) IN 55.246N 159.344W, DEPTH 36 KM AT 222139Z JUL 20. 2. A TSUNAMI MESSAGE WAS ISSUED FOR THIS EVENT. FOLLOW THE TSUNAMI WARNING CENTRES. 3. USGS EVENT US6000B29H. https://earthquake.usgs.gov/earthquakes/eventpage/us6000b29h
This area · earthquake & tsunami bulletins
77 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now
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25
- 91 km sse of sand point, alaska2025-07-20
- 96 km sse of sand point, alaska2025-07-17
- 2025 sand point, alaska earthquake2025-07-16
- 155 km ssw of akhiok, alaska2025-02-13
- 146 km sse of sand point, alaska2024-08-01
- 85 km ssw of sand point, alaska2023-08-03
Season · when earthquake & tsunami bulletins happen here
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month of issue, all years in the archive
Timeline · 8 messages since 2020-07-22 · closed 2020-07-25
- 2020 perryville, alaska earthquake2020-07-22 → 2020-07-25
- 101 km ese of sand point, alaska2020-07-22 → 2020-07-25
- Earthquake with magnitude of 7.4 has occurred in vicinity 55-12N 158-36W at 220613Z jul2020-07-22 → 2020-07-22
- Cancel NAVAREA XII 313/20 and this msg, tsunami warning cancelled2020-07-22 → 2020-07-22
- 76 km ese of sand point, alaska2020-07-22 → 2020-07-25
- Earthquake with magnitude of 7.8 has occurred in vicinity 55-12N 158-36W at 220613Z jul2020-07-22 → 2020-07-22
- Cancel NAVAREA XII 315/20 and this msg, tsunami warning cancelled2020-07-22 → 2020-07-22
- 73 km s of ivanof bay, alaska this message2020-07-22 → 2020-07-25
joined by chain + proximity
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.