Alaska earthquakes

M2.4 earthquake 135 km SSE of Sand Point, Alaska

A magnitude 2.4 earthquake struck 135 km SSE of Sand Point, Alaska on Sat, Oct 31, 2020, 6:15 PM AKDT (02:15 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.3 203 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: 2.4 (ml), micro
Local time: Sat, Oct 31, 2020, 6:15 PM AKDT
UTC: 2020-11-01 02:15:38 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 54.292° N, 159.422° 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 7.5 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.13
Depth from: Operator assigned
Station coverage gap: 276°, poorly surrounded by stations
Stations used: 16

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast135 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 202.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000ce25 (also filed as ak020e23qd27). Read Mon, Sep 28, 2026, 5:36 AM UTC.