Alaska earthquakes

M3.1 earthquake 62 km SE of Sand Point, Alaska

A magnitude 3.1 earthquake struck 62 km SE of Sand Point, Alaska on Thu, Apr 17, 2025, 9:16 PM AKDT (05:16 UTC), 44 km (27 mi) below the surface.

A larger quake followed: M4.9 133 km SSE of Sand Point, Alaska. This one was a foreshock.

Sand Point forecastMore in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.1 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-04-18 05:16:29 UTC
Depth
43.7 km (27.2 mi), shallow
Epicenter
54.874° N, 159.950° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
3.1ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.105 · 12 stations
2.9ML, local (Richter)Alaska Earthquake CenterPreliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 6.7 km horizontally, 17.3 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
222°, poorly surrounded by stations
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 123 in the 60 days after this one and 58 in the 30 days before it.

After

The first 60 of 123.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000q740 (also filed as ak0254yp4534). Read Sat, Oct 3, 2026, 11:46 AM UTC.