Alaska earthquakes

M3.0 earthquake 97 km SE of Atka, Alaska

A magnitude 3.0 earthquake struck 97 km SE of Atka, Alaska on Sat, Jul 25, 2026, 11:59 PM HADT (08:59 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M4.9 86 km SSE 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: 3.0 (ML, local (Richter)), minor
Magnitude from: USGS National Earthquake Information Center
Local time: Sat, Jul 25, 2026, 11:59 PM HADT
UTC: 2026-07-26 08:59:41 UTC
Depth: 9.2 km (5.7 mi), shallow
Epicenter: 51.537° N, 173.275° 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
3.0	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Confirmed · ±0.091 · 16 stations
3.1	ML, local (Richter)	Alaska Earthquake Center	Reviewed · ±0.1 · 20 stations

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 5.7 km horizontally, 4.5 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 210°, poorly surrounded by stations
Stations used: 22

Nearby

Within 100 km, magnitude 1.5 and up: 169 in the 60 days after this one and 76 in the 30 days before it.

After

The first 60 of 169.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000tgar (also filed as aka2026orenem). Read Fri, Oct 2, 2026, 11:39 PM UTC.