Wyoming earthquakes

M1.7 earthquake 58 km SSE of Mammoth, Wyoming

A magnitude 1.7 earthquake struck 58 km SSE of Mammoth, Wyoming on Sun, May 25, 2014, 7:31 AM MDT (13:31 UTC), 2 km (1 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M3.5 21 km SSW of Mammoth, Wyoming. This one was a foreshock.

West Yellowstone forecastMore in Wyoming

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
1.7 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2014-05-25 13:31:55 UTC
Depth
2.1 km (1.3 mi), shallow
Epicenter
44.516° N, 110.339° W
Region
Wyoming
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

An automatic solution; a seismologist may revise it.

Location uncertainty
About 0.6 km horizontally, 9.6 km in depth
Magnitude uncertainty
±0.30
Station coverage gap
133°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 132 in the 60 days after this one and 35 in the 30 days before it.

After

The first 60 of 132.

Before

Earthquakes todayWyoming earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60069897. Read Fri, Oct 2, 2026, 7:13 PM UTC.