Alaska earthquakes

M1.5 earthquake 49 km S of Tolsona, Alaska

A magnitude 1.5 earthquake struck 49 km S of Tolsona, Alaska on Mon, Jul 16, 2018, 2:35 PM AKDT (22:35 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M3.2 38 km WNW of Valdez, Alaska. This one was a foreshock.

Valdez 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: 1.5 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Mon, Jul 16, 2018, 2:35 PM AKDT
UTC: 2018-07-16 22:35:30 UTC
Depth: 35.2 km (21.9 mi), shallow
Epicenter: 61.645° N, 146.126° 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.

Stations used: 29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 51 in the 60 days after this one and 40 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 ak0189266h17 (also filed as ak19880129). Read Thu, Oct 1, 2026, 10:07 PM UTC.