Alaska earthquakes

M2.1 earthquake 30 km WSW of Tyonek, Alaska

A magnitude 2.1 earthquake struck 30 km WSW of Tyonek, Alaska on Thu, Nov 20, 2025, 12:00 AM AKST (09:00 UTC), 76 km (47 mi) below the surface.

A larger quake followed: M6.0 12 km WNW of Susitna, Alaska. This one was a foreshock.

Nikiski forecastMore 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
2.1 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-11-20 09:00:42 UTC
Depth
76.4 km (47.4 mi), intermediate-depth
Epicenter
60.998° N, 151.691° W
Region
Alaska
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.0 km horizontally, 2.8 km in depth
Magnitude uncertainty
±0.26
Station coverage gap
52°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 198 in the 60 days after this one and 156 in the 30 days before it.

After

The first 60 of 198.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak2025wvpmfc. Read Sun, Oct 4, 2026, 3:07 AM UTC.