Quakes
Earthquake magnitude 5.6 (mwc) in 56.428S 027.494W, depth 130 km at 211238Z aug 11
South Sandwich Islands Region · USGS-USP000J6TH
- issued
- 2011-08-21 12:38Z
- status
- cancelled 2011-08-24 12:38Z
- self-cancels
- 2011-08-24 12:38Z
- authority
- USGS NEIC
- sea
- South Atlantic Ocean
- position
- -56.428, -27.494
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
SOUTH SANDWICH ISLANDS REGION. 1. EARTHQUAKE MAGNITUDE 5.6 (MWC) IN 56.428S 027.494W, DEPTH 130 KM AT 211238Z AUG 11. 2. USGS EVENT USP000J6TH. https://earthquake.usgs.gov/earthquakes/eventpage/usp000j6th
This area · earthquake & tsunami bulletins
254 within 180 nm since 1997 · 11 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
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Timeline · 2 messages since 2011-08-21 · closed 2011-09-06
- Earthquake magnitude 5.6 (mwc) in 56.428S 027.494W, depth 130 km at 211238Z aug 11 this message2011-08-21 → 2011-08-24
- Earthquake magnitude 6.4 (mww) in 56.451S 026.847W, depth 84 km at 030448Z sep 112011-09-03 → 2011-09-06
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