Alaska earthquakes

M2.0 earthquake 96 km SE of Nikolai, Alaska

A magnitude 2.0 earthquake struck 96 km SE of Nikolai, Alaska on Mon, Oct 4, 2021, 6:15 PM AKDT (02:15 UTC), 198 km (123 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M4.1 57 km S of Denali National Park, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.0 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-10-05 02:15:12 UTC
Depth
197.7 km (122.8 mi), intermediate-depth
Epicenter
62.431° N, 152.991° W
Region
Alaska
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

An automatic solution; a seismologist may revise it.

Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 66 in the 60 days after this one and 37 in the 30 days before it.

After

The first 60 of 66.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021crsol6k. Read Sun, Oct 4, 2026, 6:02 AM UTC.