Alaska earthquakes

M3.7 earthquake 51 km WSW of Sand Point, Alaska

A magnitude 3.7 earthquake struck 51 km WSW of Sand Point, Alaska on Wed, May 9, 2018, 8:10 AM AKDT (16:10 UTC), 72 km (45 mi) below the surface.

A larger quake followed: M4.2 57 km S of King Cove, Alaska. This one was a foreshock.

Sand Point 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 (mb), minor
Local time: Wed, May 9, 2018, 8:10 AM AKDT
UTC: 2018-05-09 16:10:10 UTC
Depth: 72.5 km (45.0 mi), intermediate-depth
Epicenter: 55.090° N, 161.177° 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 6.4 km horizontally, 9.4 km in depth
Magnitude uncertainty: ±0.14
Depth from: From location
Station coverage gap: 180°
Stations used: 122

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast51 kmWSW

Nearby

Within 100 km, magnitude 1.5 and up: 95 in the 60 days after this one and 25 in the 30 days before it.

After

The first 60 of 95.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000e1en (also filed as ak19394373, ak0185xlwvgt). Read Wed, Sep 30, 2026, 6:31 PM UTC.