Quakes
Earthquake magnitude 5.5 (mww) in 26.453S 013.688W, depth 10 km at 131410Z nov 21
Southern Mid-atlantic Ridge · USGS-US7000FTTY
- issued
- 2021-11-13 14:10Z
- status
- cancelled 2021-11-16 14:10Z
- self-cancels
- 2021-11-16 14:10Z
- authority
- USGS NEIC
- sea
- South Atlantic Ocean
- position
- -26.453, -13.688
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
SOUTHERN MID-ATLANTIC RIDGE. 1. EARTHQUAKE MAGNITUDE 5.5 (MWW) IN 26.453S 013.688W, DEPTH 10 KM AT 131410Z NOV 21. 2. USGS EVENT US7000FTTY. https://earthquake.usgs.gov/earthquakes/eventpage/us7000ftty
This area · earthquake & tsunami bulletins
10 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- Earthquake magnitude 5.5 (mww) in 27.520S 013.423W, depth 10 km at 210605Z jan 252025-01-21
- Earthquake magnitude 5.8 (mww) in 26.542S 013.677W, depth 10 km at 120034Z nov 212021-11-12
- Earthquake magnitude 5.5 (mww) in 25.643S 013.864W, depth 10 km at 290336Z nov 172017-11-29
- Earthquake magnitude 5.5 (mww) in 25.009S 013.600W, depth 10 km at 100951Z aug 172017-08-10
- Earthquake magnitude 5.7 (mww) in 28.983S 013.229W, depth 4 km at 101956Z may 132013-05-10
- Earthquake magnitude 5.8 (mwc) in 29.031S 013.096W, depth 10 km at 201719Z jul 102010-07-20
Season · when earthquake & tsunami bulletins happen here
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month of issue, all years in the archive
Timeline · 2 messages since 2021-11-12 · closed 2021-11-16
- Earthquake magnitude 5.8 (mww) in 26.542S 013.677W, depth 10 km at 120034Z nov 212021-11-12 → 2021-11-15
- Earthquake magnitude 5.5 (mww) in 26.453S 013.688W, depth 10 km at 131410Z nov 21 this message2021-11-13 → 2021-11-16
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.