Alaska earthquakes

M2.5 earthquake 27 km SSW of Nelson Lagoon, Alaska

A magnitude 2.5 earthquake struck 27 km SSW of Nelson Lagoon, Alaska on Mon, Jul 9, 2018, 12:56 PM AKDT (20:56 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.0 26 km E of Nelson Lagoon, 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: Mon, Jul 9, 2018, 12:56 PM AKDT
UTC: 2018-07-09 20:56:12 UTC
Depth: 4.9 km (3.1 mi), shallow
Epicenter: 55.786° N, 161.432° 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 1.9 km horizontally, 13.2 km in depth
Magnitude uncertainty: ±0.13
Depth from: From location
Station coverage gap: 112°
Stations used: 18

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast77 kmNW

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 13 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000g3lr (also filed as ak19853547, aacse0188qkcmz1, ak0188qkcmz1). Read Wed, Sep 30, 2026, 3:14 PM UTC.