Moderate earthquake
M5.1 Earthquake — 92 km SE of Atka, Alaska
2026-07-23 09:30 UTC · 51.60°, -173.25°
A magnitude 5.1 (moderate) earthquake struck 92 km SE of Atka, Alaska on 2026-07-23 09:30 UTC, at a depth of 35 km. See it live on Earth Live's real-time 3D globe.
M5.1
Magnitude
35 km
Depth
674 t
TNT equivalent
~831 km
Felt radius (est.)
Source: USGS event page. Energy and felt-radius figures are standard seismological estimates, not official assessments.