Alaska earthquakes

M3.5 earthquake 125 km SE of Chignik, Alaska

A magnitude 3.5 earthquake struck 125 km SE of Chignik, Alaska on Wed, Oct 12, 2022, 2:19 AM AKDT (10:19 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.4 119 km SE of Chignik, Alaska. This one was a foreshock.

Sand Point 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: 3.5 (ml), minor
Local time: Wed, Oct 12, 2022, 2:19 AM AKDT
UTC: 2022-10-12 10:19:47 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 55.434° N, 157.111° W
Region: Alaska
Felt reports: 1
Strongest shaking: I, not felt shaking
Tsunami flag: No
Status: Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated: I, not felt shaking
Peak ground acceleration: 0.0% of gravity
Peak ground velocity: -4.7 cm/s
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

How well it is located

Reviewed by a seismologist.

Stations used: 71

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast214 kmE

Nearby

Within 100 km, magnitude 1.5 and up: 51 in the 60 days after this one and 35 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak022d3i8f5x (also filed as us6000it07). Read Wed, Sep 30, 2026, 4:14 AM UTC.