Alaska earthquakes

M1.7 earthquake 62 km SSW of Adak, Alaska

A magnitude 1.7 earthquake struck 62 km SSW of Adak, Alaska on Sat, Jul 30, 2016, 11:46 AM HADT (20:46 UTC), 38 km (24 mi) below the surface.

A larger quake followed: M4.4 110 km SW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.7 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2016-07-30 20:46:04 UTC
Depth
38.3 km (23.8 mi), shallow
Epicenter
51.381° N, 177.065° 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
13

Nearby

Within 100 km, magnitude 1.5 and up: 143 in the 60 days after this one and 90 in the 30 days before it.

After

The first 60 of 143.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0169qy4437 (also filed as ak13819483). Read Sun, Oct 4, 2026, 7:57 AM UTC.