Light earthquake
M4.5 Earthquake — southern Mid-Atlantic Ridge
2026-07-21 05:15 UTC · -48.52°, -10.16°
A magnitude 4.5 (light) earthquake struck southern Mid-Atlantic Ridge on 2026-07-21 05:15 UTC, at a depth of 10 km. See it live on Earth Live's real-time 3D globe.
M4.5
Magnitude
10 km
Depth
85 t
TNT equivalent
~511 km
Felt radius (est.)
Source: USGS event page. Energy and felt-radius figures are standard seismological estimates, not official assessments.