Alaska earthquakes

M4.6 earthquake 195 km SE of Chignik, Alaska

A magnitude 4.6 earthquake struck 195 km SE of Chignik, Alaska on Tue, Nov 19, 2019, 1:26 PM AKST (22:26 UTC), 20 km (12 mi) below the surface.

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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
4.6 (ml), light
Local time
UTC
2019-11-19 22:26:33 UTC
Depth
19.6 km (12.2 mi), shallow
Epicenter
54.972° N, 156.363° 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 III, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Reverse (thrust)
Moment magnitude
4.6 Mww
Nodal plane 1
Strike 238°, dip 27°, rake 73°
Nodal plane 2
Strike 77°, dip 65°, rake 99°

How well it is located

Reviewed by a seismologist.

Stations used
136

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 5 in the 60 days after this one and 0 in the 30 days before it.

After

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak019euju9yc (also filed as us70006a3v). Read Wed, Sep 30, 2026, 9:54 PM UTC.