M3.6 earthquake 15 km SW of Circleville, Utah

A magnitude 3.6 earthquake struck 15 km SW of Circleville, Utah on Tue, May 25, 2021, 3:14 PM MDT (21:14 UTC), 7 km (4 mi) below the surface.

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
3.6	ML, local (Richter)	University of Utah Seismograph Stations	Preferred · Final · ±0.183 · 27 stations
3.7	Mwr, regional moment	USGS National Earthquake Information Center	Reviewed · ±0.036 · 75 stations

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

4 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 15 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event uu60437827 (also filed as us7000e68b). Read Fri, Oct 2, 2026, 7:14 PM UTC.