Light earthquake
M4.9 Earthquake — 68 km ESE of Atka, Alaska
2026-08-09 03:36 UTC · 51.99°, -173.26°
A magnitude 4.9 (light) earthquake struck 68 km ESE of Atka, Alaska on 2026-08-09 03:36 UTC, at a depth of 60 km. See it live on Earth Live's real-time 3D globe.
M4.9
Magnitude
60 km
Depth
338 t
TNT equivalent
~556 km
Felt radius (est.)
1
Felt reports
Source: USGS event page. Energy and felt-radius figures are standard seismological estimates, not official assessments.