Light earthquake
M4.9 Earthquake — 83 km SSE of Atka, Alaska
2026-08-01 23:07 UTC · 51.56°, -173.56°
A magnitude 4.9 (light) earthquake struck 83 km SSE of Atka, Alaska on 2026-08-01 23:07 UTC, at a depth of 35 km. See it live on Earth Live's real-time 3D globe.
M4.9
Magnitude
35 km
Depth
338 t
TNT equivalent
~660 km
Felt radius (est.)
Source: USGS event page. Energy and felt-radius figures are standard seismological estimates, not official assessments.