Wyoming earthquakes

M4.8 earthquake 4 km ENE of Bondurant, Wyoming

A magnitude 4.8 earthquake struck 4 km ENE of Bondurant, Wyoming on Sat, Aug 27, 2016, 2:47 PM MDT (20:47 UTC), 12 km (8 mi) below the surface.

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Map

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

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The earthquake

Magnitude: 4.8 (mwr), light
Local time: Sat, Aug 27, 2016, 2:47 PM MDT
UTC: 2016-08-27 20:47:47 UTC
Depth: 12.3 km (7.6 mi), shallow
Epicenter: 43.223° N, 110.359° W
Region: Wyoming
Felt reports: 578
Strongest shaking: V, moderate shaking
PAGER alert: Green
Tsunami flag: No
Status: Reviewed by a seismologist

Shaking

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

Strongest estimated: V, moderate shaking
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

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

Estimated impact

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

Alert level: Green: little or no damage or loss of life expected

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Oblique normal
Moment magnitude: 4.8 Mwr
Nodal plane 1: Strike 335°, dip 69°, rake -137°
Nodal plane 2: Strike 226°, dip 50°, rake -28°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 4.1 km horizontally, 3.7 km in depth
Magnitude uncertainty: ±0.04
Depth from: From location
Station coverage gap: 7°
Stations used: 452

Nearest places

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

Nearby

Within 100 km, magnitude 1.8 and up: 14 in the 60 days after this one and 4 in the 30 days before it.

After

Before

Earthquakes today Wyoming earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20006umx (also filed as mb80166864, iscgem609386496). Read Tue, Sep 22, 2026, 4:10 PM UTC.