Alaska earthquakes

M3.3 earthquake 220 km SE of Chiniak, Alaska

A magnitude 3.3 earthquake struck 220 km SE of Chiniak, Alaska on Sun, Nov 24, 2019, 12:31 PM AKST (21:31 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M4.6 239 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: 3.3 (ml), minor
Local time: Sun, Nov 24, 2019, 12:31 PM AKST
UTC: 2019-11-24 21:31:29 UTC
Depth: 21.1 km (13.1 mi), shallow
Epicenter: 56.506° N, 149.258° 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 9.0 km horizontally, 11.4 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 229°, poorly surrounded by stations
Stations used: 62

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 46 in the 60 days after this one and 22 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70006f5c (also filed as ak019f2syn9j). Read Sat, Sep 26, 2026, 4:47 PM UTC.