M1.6 earthquake 28 km E of La Sal, Utah

A magnitude 1.6 earthquake struck 28 km E of La Sal, Utah on Tue, Dec 8, 2020, 7:23 PM MST (02:23 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M4.3 28 km E of La Sal, Utah. This one was a foreshock.

Map

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

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
1.61	Md, duration	University of Utah Seismograph Stations	Preferred · Final · ±0.025 · 2 stations
1.3	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.052 · 48 stations

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: 10 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 uu60024919 (also filed as us7000cpc2). Read Fri, Oct 2, 2026, 6:02 PM UTC.