Colorado earthquakes

M2.8 earthquake Colorado

A magnitude 2.8 earthquake struck in Colorado on Sat, Sep 18, 1982, 10:11 AM MDT (16:11 UTC), 5 km (3 mi) below the surface.

Thornton forecastMore in Colorado

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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
2.8 (ml), micro
Local time
UTC
1982-09-18 16:11:44 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
39.902° N, 104.912° W
Region
Colorado
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.

Depth from
OPERATOR_ASSIGNED

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.

None recorded.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001ppd. Read Mon, Sep 21, 2026, 11:28 PM UTC.