Moderate earthquake
M5.0 Earthquake — South Sandwich Islands region
2026-09-21 21:37 UTC · -56.46°, -23.97°
A magnitude 5.0 (moderate) earthquake struck South Sandwich Islands region on 2026-09-21 21:37 UTC, at a depth of 10 km. See it live on Earth Live's real-time 3D globe.
M5.0
Magnitude
10 km
Depth
477 t
TNT equivalent
~909 km
Felt radius (est.)
Source: USGS event page. Energy and felt-radius figures are standard seismological estimates, not official assessments.