Alaska earthquakes

M2.2 earthquake 10 km SE of Nelson Lagoon, Alaska

A magnitude 2.2 earthquake struck 10 km SE of Nelson Lagoon, Alaska on Tue, Jul 17, 2018, 1:17 PM AKDT (21:17 UTC), 160 km (100 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: 2.2 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Tue, Jul 17, 2018, 1:17 PM AKDT
UTC: 2018-07-17 21:17:40 UTC
Depth: 160.3 km (99.6 mi), intermediate-depth
Epicenter: 55.934° N, 161.078° 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.	Scale	Computed by	Notes
2.2	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
2.2	ML, local (Richter)	AACSE	Preliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used: 18

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast76 kmNNW

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 14 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 ak01893t0js4 (also filed as ak19921582, aacse01893t0js4). Read Thu, Oct 1, 2026, 9:06 PM UTC.