Alaska earthquakes

M1.9 earthquake 65 km SE of Adak, Alaska

A magnitude 1.9 earthquake struck 65 km SE of Adak, Alaska on Sun, Sep 24, 2017, 4:32 AM HADT (13:32 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.6 68 km SW of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-09-24 13:32:29 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.478° N, 175.927° 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
15

Nearby

Within 100 km, magnitude 1.5 and up: 124 in the 60 days after this one and 47 in the 30 days before it.

After

The first 60 of 124.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017c9sf7wt (also filed as ak16935404). Read Fri, Oct 2, 2026, 11:52 AM UTC.