Alaska earthquakes

M3.7 earthquake 283 km SE of Chiniak, Alaska

A magnitude 3.7 earthquake struck 283 km SE of Chiniak, Alaska on Fri, Jun 21, 2019, 9:09 AM AKDT (17:09 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.9 255 km ESE of Chiniak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 3.7 (ml), minor
Local time: Fri, Jun 21, 2019, 9:09 AM AKDT
UTC: 2019-06-21 17:09:41 UTC
Depth: 8.3 km (5.1 mi), shallow
Epicenter: 55.702° N, 149.231° 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 7.7 km horizontally, 6.3 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 181°, poorly surrounded by stations
Stations used: 148

Nearby

Within 100 km, magnitude 1.5 and up: 148 in the 60 days after this one and 51 in the 30 days before it.

After

The first 60 of 148.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us600044cq (also filed as aacse0197wqm2t7, ak0197wqm2t7). Read Thu, Sep 24, 2026, 7:57 AM UTC.