Alaska earthquakes

M1.9 earthquake 266 km W of Adak, Alaska

A magnitude 1.9 earthquake struck 266 km W of Adak, Alaska on Mon, Jun 19, 2017, 3:59 AM GMT+12 (15:59 UTC), 79 km (49 mi) below the surface.

A larger quake followed: M5.0 272 km W of Adak, Alaska. This one was a foreshock.

Map

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

Open the live map with earthquakes

The earthquake

Magnitude: 1.9 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Mon, Jun 19, 2017, 3:59 AM GMT+12
UTC: 2017-06-18 15:59:28 UTC
Depth: 79.1 km (49.2 mi), intermediate-depth
Epicenter: 51.631° N, 179.528° E
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: 14

Nearby

Within 100 km, magnitude 1.5 and up: 138 in the 60 days after this one and 70 in the 30 days before it.

After

The first 60 of 138.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0177rr3uyp (also filed as ak16333554). Read Fri, Oct 2, 2026, 10:18 PM UTC.