Alaska earthquakes

M2.8 earthquake 46 km ESE of Atka, Alaska

A magnitude 2.8 earthquake struck 46 km ESE of Atka, Alaska on Tue, Jun 25, 2024, 4:26 AM HADT (13:26 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M4.8 29 km SW of Atka, Alaska. This one was a foreshock.

Map

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

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The earthquake

Magnitude: 2.8 (ML, local (Richter)), micro
Magnitude from: USGS National Earthquake Information Center
Local time: Tue, Jun 25, 2024, 4:26 AM HADT
UTC: 2024-06-25 13:26:16 UTC
Depth: 9.1 km (5.6 mi), shallow
Epicenter: 51.971° N, 173.628° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

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
2.8	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.105 · 12 stations
2.1	ML, local (Richter)	Alaska Earthquake Center	Preliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 5.9 km horizontally, 9.4 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 303°, poorly surrounded by stations
Stations used: 13

Nearby

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and 80 in the 30 days before it.

After

The first 60 of at least 200.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000nhnd (also filed as ak02484y0oa7). Read Thu, Oct 1, 2026, 10:19 AM UTC.