M2.0 earthquake 13 km WSW of Atka, Alaska

A magnitude 2.0 earthquake struck 13 km WSW of Atka, Alaska on Wed, Apr 9, 2025, 11:47 AM HADT (20:47 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.8 46 km E of Atka, Alaska. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
2.0	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
1.23	ML, local (Richter)	AV	Final · ±0.322197230301399 · 7 stations

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Within 100 km, magnitude 1.5 and up: 141 in the 60 days after this one and 67 in the 30 days before it.

The first 60 of 141.

From the USGS Earthquake Hazards Program and its partner networks, event ak0254k2e6xt (also filed as av93568091). Read Fri, Oct 2, 2026, 7:26 PM UTC.