Alaska earthquakes

M2.0 earthquake 46 km W of Tyonek, Alaska

A magnitude 2.0 earthquake struck 46 km W of Tyonek, Alaska on Wed, Aug 22, 2018, 3:09 AM AKDT (11:09 UTC), 104 km (65 mi) below the surface.

A larger quake followed: M4.5 28 km S of Susitna, Alaska. This one was a foreshock.

Nikiski 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: 2.0 (ml), micro
Local time: Wed, Aug 22, 2018, 3:09 AM AKDT
UTC: 2018-08-22 11:09:46 UTC
Depth: 103.9 km (64.6 mi), intermediate-depth
Epicenter: 61.135° N, 151.990° 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.

Stations used: 72

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 188 in the 60 days after this one and 111 in the 30 days before it.

After

The first 60 of 188.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018ar6d07y (also filed as ak20143485). Read Wed, Sep 30, 2026, 9:51 PM UTC.