Alaska earthquakes

M3.8 earthquake 97 km SSE of King Cove, Alaska

A magnitude 3.8 earthquake struck 97 km SSE of King Cove, Alaska on Sat, Jun 12, 2021, 3:46 AM AKDT (11:46 UTC), 35 km (22 mi) below the surface.

King Cove 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: 3.8 (mb), minor
Local time: Sat, Jun 12, 2021, 3:46 AM AKDT
UTC: 2021-06-12 11:46:24 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 54.331° N, 161.492° W
Region: Alaska
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: 0.1% of gravity
Peak ground velocity: -3.0 cm/s
Map: Automatic

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

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 4.6 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.18
Depth from: Operator assigned
Station coverage gap: 173°
Stations used: 81

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast97 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 89 in the 60 days after this one and 19 in the 30 days before it.

After

The first 60 of 89.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000ecer (also filed as ak0217hrf8rv). Read Sun, Sep 27, 2026, 12:40 AM UTC.