Alaska earthquakes

M3.1 earthquake 8 km WNW of Moose Pass, Alaska

A magnitude 3.1 earthquake struck 8 km WNW of Moose Pass, Alaska on Wed, Aug 7, 2019, 6:50 PM AKDT (02:50 UTC), 32 km (20 mi) below the surface.

A larger quake followed: M4.1 6 km SW of Point MacKenzie, 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: 3.1 (ml), minor
Local time: Wed, Aug 7, 2019, 6:50 PM AKDT
UTC: 2019-08-08 02:50:31 UTC
Depth: 31.5 km (19.6 mi), shallow
Epicenter: 60.509° N, 149.512° W
Region: Alaska
Felt reports: 3
Strongest shaking: II, weak shaking
Tsunami flag: No
Status: Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated: II, weak shaking
Peak ground acceleration: 0.3% of gravity
Peak ground velocity: -2.6 cm/s
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

3 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located

Reviewed by a seismologist.

Stations used: 144

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 80 in the 60 days after this one and 37 in the 30 days before it.

After

The first 60 of 80.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak019a3vq024 (also filed as us6000526d). Read Tue, Sep 29, 2026, 7:41 PM UTC.