Moderate earthquake
M5.3 Earthquake — 151 km WSW of Adak, Alaska
2026-09-11 10:47 UTC · 51.21°, -178.54°
A magnitude 5.3 (moderate) earthquake struck 151 km WSW of Adak, Alaska on 2026-09-11 10:47 UTC, at a depth of 41 km. See it live on Earth Live's real-time 3D globe.
M5.3
Magnitude
41 km
Depth
1.3K t
TNT equivalent
~1.0K km
Felt radius (est.)
Yes
Tsunami flag
Source: USGS event page. Energy and felt-radius figures are standard seismological estimates, not official assessments.