Quakes · event

Earthquake magnitude 5.6 (mww) in 58.664S 025.223W, depth 35 km at 171705Z dec 25

South Sandwich Islands Region · 2 messages · 2025-12-08 to 2025-12-20

status
closed 2025-12-20 17:05Z
opened
2025-12-08 18:41Z
sea
South Atlantic Ocean
position
-58.664, -25.223
joined by
proximity (same type, same sea, within 30 nm and 30 days)
key
earthquake:USGS-US6000RTG8

Timeline · 2 messages, oldest first

  1. 1
    USGS-US6000RTG82025-12-08 18:41Z → cancelled 2025-12-11 18:41Z
    Earthquake magnitude 5.5 (mb) in 58.801S 025.488W, depth 30 km at 081841Z dec 25
    SOUTH SANDWICH ISLANDS REGION.
1. EARTHQUAKE MAGNITUDE 5.5 (MB) IN 58.801S 025.488W, DEPTH 30 KM AT 081841Z DEC 25.
2. USGS EVENT US6000RTG8. https://earthquake.usgs.gov/earthquakes/eventpage/us6000rtg8
  2. 2
    USGS-US6000RVHE2025-12-17 17:05Z → cancelled 2025-12-20 17:05Z
    Earthquake magnitude 5.6 (mww) in 58.664S 025.223W, depth 35 km at 171705Z dec 25
    SOUTH SANDWICH ISLANDS REGION.
1. EARTHQUAKE MAGNITUDE 5.6 (MWW) IN 58.664S 025.223W, DEPTH 35 KM AT 171705Z DEC 25.
2. USGS EVENT US6000RVHE. https://earthquake.usgs.gov/earthquakes/eventpage/us6000rvhe

Quakes

Undersea earthquakes of magnitude 5.5 and above (USGS) and the tsunami bulletins NAVAREA coordinators relay. All current earthquake & tsunami bulletins →

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Earthquake magnitude 5.6 (mww) in 58.664S 025.223W, depth 35 km at 171705Z dec 25 — South Sandwich Islands Region · seahazards