Alaska earthquakes

M1.8 earthquake 71 km WNW of Aleneva, Alaska

A magnitude 1.8 earthquake struck 71 km WNW of Aleneva, Alaska on Wed, Mar 17, 2021, 8:00 AM AKDT (16:00 UTC), 72 km (45 mi) below the surface.

A larger quake followed: M2.0 57 km NNE of Karluk, Alaska. This one was a foreshock.

Kodiak Station 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
1.8 (ml), micro
Local time
UTC
2021-03-17 16:00:18 UTC
Depth
72.0 km (44.7 mi), intermediate-depth
Epicenter
58.199° N, 154.102° 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
46

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 115 in the 60 days after this one and 70 in the 30 days before it.

After

The first 60 of 115.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0213hydcj9. Read Thu, Sep 24, 2026, 4:15 AM UTC.