Alaska earthquakes

M1.8 earthquake 29 km W of Tyonek, Alaska

A magnitude 1.8 earthquake struck 29 km W of Tyonek, Alaska on Sat, Nov 11, 2017, 6:42 PM AKST (03:42 UTC), 80 km (49 mi) below the surface.

A larger quake followed: M4.4 9 km NNE of Sterling, 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: 1.8 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Sat, Nov 11, 2017, 6:42 PM AKST
UTC: 2017-11-12 03:42:59 UTC
Depth: 79.6 km (49.5 mi), intermediate-depth
Epicenter: 61.021° N, 151.682° 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: 63

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 127 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017einv3ij (also filed as ak17184035). Read Sat, Oct 3, 2026, 12:59 AM UTC.