Alaska earthquakes

M4.9 earthquake 68 km SSE of Sand Point, Alaska

A magnitude 4.9 earthquake struck 68 km SSE of Sand Point, Alaska on Sun, Jul 26, 2020, 1:35 PM AKDT (21:35 UTC), 36 km (22 mi) below the surface.

A larger quake followed: M6.1 75 km SW 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: 4.9 (mww), light
Local time: Sun, Jul 26, 2020, 1:35 PM AKDT
UTC: 2020-07-26 21:35:53 UTC
Depth: 36.1 km (22.4 mi), shallow
Epicenter: 54.765° N, 160.088° W
Region: Alaska
Felt reports: 3
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

3 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Reverse (thrust)
Moment magnitude: 4.9 Mww
Nodal plane 1: Strike 252°, dip 34°, rake 97°
Nodal plane 2: Strike 63°, dip 57°, rake 85°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 4.7 km horizontally, 4.0 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 78°
Stations used: 166

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast69 kmSSE

Nearby

Within 100 km, magnitude 1.9 and up: at least 200 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 200.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000b4hr (also filed as ak0209kchwr2). Read Sun, Sep 27, 2026, 8:11 PM UTC.