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Light earthquake

M4.6 Earthquake — east of the South Sandwich Islands

2026-09-20 23:36 UTC · -58.82°, -14.83°

A magnitude 4.6 (light) earthquake struck east of the South Sandwich Islands on 2026-09-20 23:36 UTC, at a depth of 10 km. See it live on Earth Live's real-time 3D globe.

M4.6
Magnitude
10 km
Depth
120 t
TNT equivalent
~574 km
Felt radius (est.)
🌍 View live on the 3D globe →

Source: USGS event page. Energy and felt-radius figures are standard seismological estimates, not official assessments.

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