M3.9 earthquake 103 km SW of Adak, Alaska

A magnitude 3.9 earthquake struck 103 km SW of Adak, Alaska on Mon, Jun 10, 1996, 5:13 AM HADT (14:13 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.4 109 km SSW of Adak, Alaska. This one was a foreshock.

Map

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

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Within 100 km, magnitude 1.5 and up: 166 in the 60 days after this one and 33 in the 30 days before it.

The first 60 of 166.

From the USGS Earthquake Hazards Program and its partner networks, event usp0007jfs. Read Tue, Sep 22, 2026, 10:23 PM UTC.