Light earthquake
M4.8 Earthquake — South Sandwich Islands region
2026-07-18 16:57 UTC · -59.44°, -26.24°
A magnitude 4.8 (light) earthquake struck South Sandwich Islands region on 2026-07-18 16:57 UTC, at a depth of 122 km. See it live on Earth Live's real-time 3D globe.
M4.8
Magnitude
122 km
Depth
239 t
TNT equivalent
~358 km
Felt radius (est.)
Source: USGS event page. Energy and felt-radius figures are standard seismological estimates, not official assessments.