Alaska earthquakes

M3.7 earthquake 6 km NNW of Anchorage, Alaska

A magnitude 3.7 earthquake struck 6 km NNW of Anchorage, Alaska on Tue, Feb 12, 2019, 2:11 AM AKST (11:11 UTC), 46 km (28 mi) below the surface.

A larger quake followed: M4.4 5 km S of Big Lake, Alaska. This one was a foreshock.

Anchorage forecast More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 3.7 (ml), minor
Local time: Tue, Feb 12, 2019, 2:11 AM AKST
UTC: 2019-02-12 11:11:34 UTC
Depth: 45.6 km (28.3 mi), shallow
Epicenter: 61.273° N, 149.930° W
Region: Alaska
Felt reports: 154
Strongest shaking: III, 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: III, weak shaking
Peak ground acceleration: 276.0% of gravity
Peak ground velocity: 0.2 cm/s
Map: Automatic

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

Did you feel it?

154 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

How well it is located

Reviewed by a seismologist.

Stations used: 157

Nearest places

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

Anchorage, AlaskaPopulation 289,600. Forecast6 kmNNW

Nearby

Within 100 km, magnitude 1.5 and up: 199 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of 199.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0191zaq4ea (also filed as us2000jglg). Read Thu, Oct 1, 2026, 12:07 AM UTC.