Alaska earthquakes

M2.0 earthquake 74 km SW of Unalaska, Alaska

A magnitude 2.0 earthquake struck 74 km SW of Unalaska, Alaska on Sun, Aug 23, 2026, 11:18 AM AKDT (19:18 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M4.0 92 km SSW of Unalaska, Alaska. This one was a foreshock.

Unalaska forecast More in Alaska

Map

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

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The earthquake

Magnitude: 2.0 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Sun, Aug 23, 2026, 11:18 AM AKDT
UTC: 2026-08-23 19:18:21 UTC
Depth: 15.1 km (9.4 mi), shallow
Epicenter: 53.453° N, 167.404° 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
2.0	ML, local (Richter)	Alaska Earthquake Center	Preferred · Reviewed · ±0.2 · 19 stations
1.52	ML, local (Richter)	AV	Final · ±0.182967818063588 · 17 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 12.4 km horizontally, 3.1 km in depth
Magnitude uncertainty: ±0.20
Station coverage gap: 185°, poorly surrounded by stations
Stations used: 26

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Unalaska, AlaskaPopulation 4,491. Forecast74 kmSW

Nearby

Within 100 km, magnitude 1.5 and up: 86 since this one and 68 in the 30 days before it.

After

The first 60 of 86.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026qrrtbl (also filed as av94400143). Read Sat, Oct 3, 2026, 4:08 AM UTC.