Alaska earthquakes

M2.6 earthquake 227 km SSE of Old Harbor, Alaska

A magnitude 2.6 earthquake struck 227 km SSE of Old Harbor, Alaska on Sun, Apr 1, 2018, 1:07 AM AKDT (09:07 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.2 233 km SSE of Old Harbor, Alaska. This one was a foreshock.

Womens Bay 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: 2.6 (ml), micro
Local time: Sun, Apr 1, 2018, 1:07 AM AKDT
UTC: 2018-04-01 09:07:18 UTC
Depth: 5.3 km (3.3 mi), shallow
Epicenter: 55.333° N, 151.819° 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 8.9 km horizontally, 8.9 km in depth
Magnitude uncertainty: ±0.08
Depth from: From location
Station coverage gap: 241°, poorly surrounded by stations
Stations used: 25

Nearest places

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

Womens Bay, AlaskaPopulation 719. Forecast266 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 8 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000dw5h (also filed as ak19074675, ak01846nb124). Read Sat, Sep 26, 2026, 6:21 PM UTC.