Quakes
Earthquake magnitude 5.7 (mww) in 56.001S 027.616W, depth 79 km at 201959Z aug 23
South Sandwich Islands Region · USGS-US7000KPP4
- issued
- 2023-08-20 19:59Z
- status
- cancelled 2023-08-23 19:59Z
- self-cancels
- 2023-08-23 19:59Z
- authority
- USGS NEIC
- sea
- South Atlantic Ocean
- position
- -56.001, -27.616
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
SOUTH SANDWICH ISLANDS REGION. 1. EARTHQUAKE MAGNITUDE 5.7 (MWW) IN 56.001S 027.616W, DEPTH 79 KM AT 201959Z AUG 23. 2. USGS EVENT US7000KPP4. https://earthquake.usgs.gov/earthquakes/eventpage/us7000kpp4
This area · earthquake & tsunami bulletins
230 within 180 nm since 1997 · 10 in the last 12 months · 1 in force now
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- Earthquake magnitude 6.2 (mww) in 56.206S 027.909W, depth 126 km at 022346Z sep 262026-09-02
- Earthquake magnitude 6.4 (mww) in 55.535S 028.911W, depth 26 km at 111026Z jul 262026-07-11
- Earthquake magnitude 5.7 (mww) in 56.112S 027.877W, depth 101 km at 202300Z may 262026-05-20
- Earthquake magnitude 5.7 (mww) in 57.911S 025.352W, depth 27 km at 161452Z feb 262026-02-16
- Earthquake magnitude 6.0 (mww) in 57.772S 025.599W, depth 64 km at 290730Z jan 262026-01-29
- Earthquake magnitude 5.6 (mww) in 58.664S 025.223W, depth 35 km at 171705Z dec 252025-12-17
Season · when earthquake & tsunami bulletins happen here
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Timeline · 3 messages since 2023-08-06 · closed 2023-08-23
- Earthquake magnitude 5.7 (mww) in 55.706S 027.106W, depth 12 km at 061417Z aug 232023-08-06 → 2023-08-09
- Earthquake magnitude 5.6 (mww) in 55.749S 027.044W, depth 13 km at 072349Z aug 232023-08-07 → 2023-08-10
- Earthquake magnitude 5.7 (mww) in 56.001S 027.616W, depth 79 km at 201959Z aug 23 this message2023-08-20 → 2023-08-23
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