Montana earthquakes

M3.2 earthquake 21 km NW of Lima, Montana

A magnitude 3.2 earthquake struck 21 km NW of Lima, Montana on Thu, May 12, 2016, 11:40 AM MDT (17:40 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.3 45 km W of Hebgen Lake Estates, 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
3.2 (ml), minor
Local time
UTC
2016-05-12 17:40:22 UTC
Depth
8.5 km (5.3 mi), shallow
Epicenter
44.786° N, 112.759° W
Region
Montana
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.3 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
46°
Stations used
48

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 24 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80145459 (also filed as us10005guq). Read Tue, Sep 29, 2026, 10:54 PM UTC.