Alaska earthquakes

M1.9 earthquake 86 km E of King Salmon, Alaska

A magnitude 1.9 earthquake struck 86 km E of King Salmon, Alaska on Sat, Jul 24, 2021, 5:32 PM AKDT (01:32 UTC), 139 km (86 mi) below the surface.

A larger quake followed: M3.5 62 km NW of Karluk, Alaska. This one was a foreshock.

Naknek forecastMore in Alaska

Map

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

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The earthquake

Magnitude
1.9 (ml), micro
Local time
UTC
2021-07-25 01:32:36 UTC
Depth
138.5 km (86.1 mi), intermediate-depth
Epicenter
58.643° N, 155.165° 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
41

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 67 in the 60 days after this one and 50 in the 30 days before it.

After

The first 60 of 67.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219gphv1v. Read Tue, Sep 29, 2026, 8:37 PM UTC.