Alaska earthquakes

M3.6 earthquake 244 km SE of Chiniak, Alaska

A magnitude 3.6 earthquake struck 244 km SE of Chiniak, Alaska on Tue, Jun 19, 2018, 7:51 AM AKDT (15:51 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.4 229 km SE of Chiniak, 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: 3.6 (ml), minor
Local time: Tue, Jun 19, 2018, 7:51 AM AKDT
UTC: 2018-06-19 15:51:57 UTC
Depth: 7.9 km (4.9 mi), shallow
Epicenter: 55.967° N, 149.630° 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.

Location uncertainty: About 8.0 km horizontally, 7.6 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 181°, poorly surrounded by stations
Stations used: 68

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000evkw (also filed as ak19782280, ak0187telnhi, aacse0187telnhi). Read Tue, Sep 22, 2026, 6:55 PM UTC.