Wyoming earthquakes

M1.8 earthquake 34 km S of Silver Gate, Montana

A magnitude 1.8 earthquake struck 34 km S of Silver Gate, Montana on Sat, Oct 29, 2016, 2:27 PM MDT (20:27 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M2.9 49 km SE of West Yellowstone, Montana. This one was a foreshock.

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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
1.8 (md), micro
Local time
UTC
2016-10-29 20:27:21 UTC
Depth
2.0 km (1.3 mi), shallow
Epicenter
44.700° N, 110.035° W
Region
Wyoming
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 0.7 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.24
Depth from
Operator assigned
Station coverage gap
175°
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 46 in the 60 days after this one and 28 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60169062. Read Sun, Sep 27, 2026, 4:59 AM UTC.