M4.4 earthquake 15 km SW of Circleville, Utah

A magnitude 4.4 earthquake struck 15 km SW of Circleville, Utah on Sat, Oct 3, 2020, 5:47 AM MDT (11:47 UTC), 8 km (5 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
4.42	ML, local (Richter)	University of Utah Seismograph Stations	Preferred · Final · ±0.151 · 23 stations
4.3	Mwr, regional moment	USGS National Earthquake Information Center	Reviewed · ±0.037 · 71 stations

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

274 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 41 in the 60 days after this one and 8 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event uu60412957 (also filed as us6000c55e). Read Fri, Oct 2, 2026, 11:38 AM UTC.