Alaska earthquakes

M2.5 earthquake 240 km SSE of Chiniak, Alaska

A magnitude 2.5 earthquake struck 240 km SSE of Chiniak, Alaska on Fri, Jun 22, 2018, 5:23 AM AKDT (13:23 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.1 241 km SE of Chiniak, Alaska. This one was a foreshock.

Womens Bay forecast More in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude: 2.5 (ml), micro
Local time: Fri, Jun 22, 2018, 5:23 AM AKDT
UTC: 2018-06-22 13:23:40 UTC
Depth: 5.9 km (3.7 mi), shallow
Epicenter: 55.756° N, 150.260° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

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 8.9 km horizontally, 8.7 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 229°, poorly surrounded by stations
Stations used: 25

Nearest places

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

Womens Bay, AlaskaPopulation 719. Forecast260 kmSE

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000f2z9 (also filed as ak19803470, ak0187ybup82, aacse0187ybup82). Read Thu, Sep 24, 2026, 5:42 AM UTC.