M1.7 earthquake 49 km SE of Unalaska, Alaska

A magnitude 1.7 earthquake struck 49 km SE of Unalaska, Alaska on Sun, Sep 22, 2024, 11:56 AM AKDT (19:56 UTC), 49 km (31 mi) below the surface.

A larger quake followed: M5.4 85 km SSW of Unalaska, 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.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 90 in the 30 days before it.

The first 60 of at least 199.

From the USGS Earthquake Hazards Program and its partner networks, event ak024c88lmxt. Read Tue, Sep 29, 2026, 8:28 PM UTC.