Alaska earthquakes

M2.5 earthquake 82 km SSW of Sand Point, Alaska

A magnitude 2.5 earthquake struck 82 km SSW of Sand Point, Alaska on Sat, Aug 11, 2018, 12:17 AM AKDT (08:17 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M3.5 114 km S of Sand Point, 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: 2.5 (ml), micro
Local time: Sat, Aug 11, 2018, 12:17 AM AKDT
UTC: 2018-08-11 08:17:52 UTC
Depth: 24.0 km (14.9 mi), shallow
Epicenter: 54.702° N, 161.162° 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 5.1 km horizontally, 14.1 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 190°, poorly surrounded by stations
Stations used: 26

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast82 kmSSW

Nearby

Within 100 km, magnitude 1.5 and up: 78 in the 60 days after this one and 64 in the 30 days before it.

After

The first 60 of 78.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000geas (also filed as ak20063276, ak018a8xpm6w, aacse018a8xpm6w). Read Wed, Sep 30, 2026, 12:13 PM UTC.