Alaska earthquakes

M1.9 earthquake 199 km W of Adak, Alaska

A magnitude 1.9 earthquake struck 199 km W of Adak, Alaska on Sat, Jul 23, 2016, 5:08 PM HADT (02:08 UTC), 67 km (42 mi) below the surface.

A larger quake followed: M5.6 269 km W of Adak, 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
2016-07-24 02:08:19 UTC
Depth
67.2 km (41.8 mi), shallow
Epicenter
51.560° N, 179.484° 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: 138 in the 60 days after this one and 102 in the 30 days before it.

After

The first 60 of 138.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0169gpy45r (also filed as ak13826021). Read Sun, Oct 4, 2026, 9:22 AM UTC.