Quakes · event

Earthquake magnitude 5.6 (mb) in 56.267S 026.436W, depth 45 km at 111307Z oct 25

South Sandwich Islands Region · 2 messages · 2025-10-11 to 2025-10-14

status
closed 2025-10-14 13:07Z
opened
2025-10-11 08:06Z
sea
South Atlantic Ocean
position
-56.267, -26.436
joined by
proximity (same type, same sea, within 30 nm and 30 days)
key
earthquake:USGS-US6000RGIL

Timeline · 2 messages, oldest first

  1. 1
    USGS-US6000RGIL2025-10-11 08:06Z → cancelled 2025-10-14 08:06Z
    Earthquake magnitude 5.5 (mb) in 56.200S 026.389W, depth 51 km at 110806Z oct 25
    SOUTH SANDWICH ISLANDS REGION.
1. EARTHQUAKE MAGNITUDE 5.5 (MB) IN 56.200S 026.389W, DEPTH 51 KM AT 110806Z OCT 25.
2. USGS EVENT US6000RGIL. https://earthquake.usgs.gov/earthquakes/eventpage/us6000rgil
  2. 2
    USGS-US6000RGK92025-10-11 13:07Z → cancelled 2025-10-14 13:07Z
    Earthquake magnitude 5.6 (mb) in 56.267S 026.436W, depth 45 km at 111307Z oct 25
    SOUTH SANDWICH ISLANDS REGION.
1. EARTHQUAKE MAGNITUDE 5.6 (MB) IN 56.267S 026.436W, DEPTH 45 KM AT 111307Z OCT 25.
2. USGS EVENT US6000RGK9. https://earthquake.usgs.gov/earthquakes/eventpage/us6000rgk9

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 (mb) in 56.267S 026.436W, depth 45 km at 111307Z oct 25 — South Sandwich Islands Region · seahazards