Alaska earthquakes

M3.6 earthquake 252 km SE of Chiniak, Alaska

A magnitude 3.6 earthquake struck 252 km SE of Chiniak, Alaska on Thu, Jul 4, 2019, 4:23 PM AKDT (00:23 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.4 259 km ESE 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: Thu, Jul 4, 2019, 4:23 PM AKDT
UTC: 2019-07-05 00:23:44 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.345° N, 148.844° W
Region: Alaska
Felt reports: 1
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 7.0 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.04
Depth from: Operator assigned
Station coverage gap: 159°
Stations used: 170

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 135 in the 60 days after this one and 81 in the 30 days before it.

After

The first 60 of 135.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70004agt (also filed as aacse0198jm3ljc, ak0198jm3ljc). Read Sun, Sep 27, 2026, 7:27 PM UTC.