M2.5 earthquake 57 km NE of Adak, Alaska

A magnitude 2.5 earthquake struck 57 km NE of Adak, Alaska on Wed, Aug 14, 2024, 9:12 AM HADT (18:12 UTC), 164 km (102 mi) below the surface.

A larger quake followed: M3.8 30 km E of Adak, 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
2.5	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.128 · 8 stations
2.3	ML, local (Richter)	Alaska Earthquake Center	Preliminary

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Within 100 km, magnitude 1.5 and up: 154 in the 60 days after this one and 73 in the 30 days before it.

The first 60 of 154.

From the USGS Earthquake Hazards Program and its partner networks, event us6000ntwm (also filed as ak024afps8gy). Read Thu, Oct 1, 2026, 6:14 PM UTC.