Quakes
Earthquake magnitude 5.5 (mww) in 42.856S 016.002W, depth 10 km at 210620Z apr 22
Southern Mid-atlantic Ridge · USGS-US6000HF72
- issued
- 2022-04-21 06:20Z
- status
- cancelled 2022-04-24 06:20Z
- self-cancels
- 2022-04-24 06:20Z
- authority
- USGS NEIC
- sea
- South Atlantic Ocean
- position
- -42.856, -16.002
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
SOUTHERN MID-ATLANTIC RIDGE. 1. EARTHQUAKE MAGNITUDE 5.5 (MWW) IN 42.856S 016.002W, DEPTH 10 KM AT 210620Z APR 22. 2. USGS EVENT US6000HF72. https://earthquake.usgs.gov/earthquakes/eventpage/us6000hf72
This area · earthquake & tsunami bulletins
12 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now
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- Earthquake magnitude 5.9 (mww) in 40.356S 016.755W, depth 10 km at 071731Z dec 242024-12-07
- Earthquake magnitude 5.5 (mww) in 41.020S 016.651W, depth 10 km at 032059Z nov 222022-11-03
- Earthquake magnitude 5.5 (mww) in 42.953S 015.959W, depth 10 km at 210612Z apr 222022-04-21
- Earthquake magnitude 5.7 (mww) in 42.713S 016.020W, depth 10 km at 090754Z nov 182018-11-09
- Earthquake magnitude 5.5 (mb) in 42.596S 016.156W, depth 10 km at 090739Z nov 182018-11-09
- Earthquake magnitude 5.5 (mww) in 43.620S 016.332W, depth 10 km at 170357Z oct 182018-10-17
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Timeline · 2 messages since 2022-04-21 · closed 2022-04-24
- Earthquake magnitude 5.5 (mww) in 42.953S 015.959W, depth 10 km at 210612Z apr 222022-04-21 → 2022-04-24
- Earthquake magnitude 5.5 (mww) in 42.856S 016.002W, depth 10 km at 210620Z apr 22 this message2022-04-21 → 2022-04-24
joined by proximity
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
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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.