Utah earthquakes

M4.7 earthquake 86 km E of Montello, Nevada

A magnitude 4.7 earthquake struck 86 km E of Montello, Nevada on Thu, Sep 24, 1987, 10:27 PM MDT (04:27 UTC), 9 km (6 mi) below the surface.

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

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The earthquake

Magnitude: 4.7 (ml), light
Local time: Thu, Sep 24, 1987, 10:27 PM MDT
UTC: 1987-09-25 04:27:57 UTC
Depth: 9.0 km (5.6 mi), shallow
Epicenter: 41.222° N, 113.161° W
Region: Utah
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 2.9 km horizontally, 0.9 km in depth
Depth from: From location
Station coverage gap: 236°, poorly surrounded by stations
Stations used: 19

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 77 in the 60 days after this one and 3 in the 30 days before it.

After

The first 60 of 77.

Before

Earthquakes today Utah earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50033595 (also filed as ushis4035, usp00038pu). Read Tue, Sep 22, 2026, 11:32 PM UTC.