Alaska earthquakes

M1.8 earthquake 64 km W of Tyonek, Alaska

A magnitude 1.8 earthquake struck 64 km W of Tyonek, Alaska on Mon, Jul 26, 2021, 3:17 AM AKDT (11:17 UTC), 112 km (70 mi) below the surface.

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

A larger quake followed: M3.9 5 km SSW of Kasilof, Alaska. This one was a foreshock.

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

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The earthquake

Magnitude
1.8 (ml), micro
Local time
UTC
2021-07-26 11:17:28 UTC
Depth
112.0 km (69.6 mi), intermediate-depth
Epicenter
61.031° N, 152.328° 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
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 194 in the 60 days after this one and 107 in the 30 days before it.

After

The first 60 of 194.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219iiwb9x. Read Mon, Sep 28, 2026, 1:50 PM UTC.