M2.0 earthquake 26 km SE of Mapleton, Utah

A magnitude 2.0 earthquake struck 26 km SE of Mapleton, Utah on Tue, Jan 15, 1985, 6:57 AM MST (13:57 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M2.4 12 km W of Mona, Utah. 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: 11 in the 60 days after this one and 2 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event uu50018505. Read Wed, Sep 23, 2026, 5:09 PM UTC.