Moderate earthquake
M5.4 Earthquake — South Sandwich Islands region
2026-08-21 13:06 UTC · -58.85°, -26.56°
A magnitude 5.4 (moderate) earthquake struck South Sandwich Islands region on 2026-08-21 13:06 UTC, at a depth of 159 km. See it live on Earth Live's real-time 3D globe.
M5.4
Magnitude
159 km
Depth
1.9K t
TNT equivalent
~612 km
Felt radius (est.)
Source: USGS event page. Energy and felt-radius figures are standard seismological estimates, not official assessments.