Quakes
178 km ene of georgetown, saint helena
USGS-US6000BIYJ
- issued
- 2020-08-22 08:38Z
- status
- cancelled 2020-08-25 08:38Z
- self-cancels
- 2020-08-25 08:38Z
- authority
- USGS NEIC
- sea
- South Atlantic Ocean
- position
- -7.185, -12.972
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
178 KM ENE OF GEORGETOWN, SAINT HELENA. 1. EARTHQUAKE MAGNITUDE 5.8 (MWW) IN 7.185S 012.972W, DEPTH 10 KM AT 220838Z AUG 20. 2. USGS EVENT US6000BIYJ. https://earthquake.usgs.gov/earthquakes/eventpage/us6000biyj
This area · earthquake & tsunami bulletins
14 within 180 nm since 2001 · 1 in the last 12 months · 0 in force now
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26
- 147 km ne of georgetown, saint helena2026-06-20
- 81 km ene of georgetown, saint helena2022-10-19
- 87 km e of georgetown, saint helena2022-06-11
- Earthquake magnitude 5.5 (mww) in 7.135S 012.970W, depth 10 km at 221021Z aug 202020-08-22
- Earthquake magnitude 5.8 (mww) in 5.691S 011.525W, depth 10 km at 051459Z oct 182018-10-05
- Earthquake magnitude 5.6 (mb) in 5.777S 012.543W, depth 10 km at 232309Z jan 182018-01-23
Season · when earthquake & tsunami bulletins happen here
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month of issue, all years in the archive
Timeline · 2 messages since 2020-08-22 · closed 2020-08-25
- 178 km ene of georgetown, saint helena this message2020-08-22 → 2020-08-25
- Earthquake magnitude 5.5 (mww) in 7.135S 012.970W, depth 10 km at 221021Z aug 202020-08-22 → 2020-08-25
joined by 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.