Earthquake Information for Colorado

There are 569 earthquake incidents in Colorado on record since 1931. The state averages 7 earthquakes per year. The largest earthquake on record for Colorado occurred on 05/17/1973, with a depth of 0.0 miles and a magnitude of 5.4 on the Richter scale in Garfield County, CO.

Yearly Average Number of Earthquakes in Colorado

Total Number of Earthquakes in Colorado since 1931

569

Counties With The Highest Risk Of Earthquakes

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2/1/2019 - 3.1 mag, 1.9mi depth 2.27 mi from Glenwood Springs, CO

2/1/2019 - 3.1 mag, 1.9mi depth 2.27 mi from Glenwood Springs, CO

Phillips County, CO Probability: 0.133%

Sedgwick County, CO Probability: 0.136%

Logan County, CO Probability: 0.139%

Yuma County, CO Probability: 0.153%

Washington County, CO Probability: 0.197%

Cheyenne County, CO Probability: 0.206%

Kit Carson County, CO Probability: 0.243%

Prowers County, CO Probability: 0.258%

Baca County, CO Probability: 0.298%

Morgan County, CO Probability: 0.311%

Lincoln County, CO Probability: 0.349%

Weld County, CO Probability: 0.637%

Pueblo County, CO Probability: 0.676%

Adams County, CO Probability: 0.799%

Elbert County, CO Probability: 0.820%

Montezuma County, CO Probability: 0.897%

Arapahoe County, CO Probability: 0.912%

El Paso County, CO Probability: 0.955%

Kiowa County, CO Probability: 1.025%

Crowley County, CO Probability: 1.309%

Bent County, CO Probability: 1.311%

Denver County, CO Probability: 1.484%

Otero County, CO Probability: 1.614%

Broomfield County, CO Probability: 1.697%

Douglas County, CO Probability: 1.735%

Jefferson County, CO Probability: 1.985%

Teller County, CO Probability: 2.001%

Dolores County, CO Probability: 2.004%

Boulder County, CO Probability: 2.093%

Larimer County, CO Probability: 2.194%

Gilpin County, CO Probability: 2.202%

Clear Creek County, CO Probability: 2.307%

Grand County, CO Probability: 2.514%

Mesa County, CO Probability: 2.556%

Moffat County, CO Probability: 2.588%

Summit County, CO Probability: 2.641%

Jackson County, CO Probability: 2.659%

Park County, CO Probability: 2.729%

Rio Blanco County, CO Probability: 2.750%

San Miguel County, CO Probability: 3.088%

Las Animas County, CO Probability: 3.133%

Fremont County, CO Probability: 3.285%

Routt County, CO Probability: 3.485%

Lake County, CO Probability: 3.525%

Eagle County, CO Probability: 3.688%

Garfield County, CO Probability: 3.718%

Montrose County, CO Probability: 4.079%

La Plata County, CO Probability: 4.624%

Delta County, CO Probability: 4.699%

Pitkin County, CO Probability: 4.787%

Chaffee County, CO Probability: 5.357%

Custer County, CO Probability: 7.697%

Gunnison County, CO Probability: 8.093%

Huerfano County, CO Probability: 9.016%

Ouray County, CO Probability: 11.035%

Archuleta County, CO Probability: 11.908%

San Juan County, CO Probability: 12.824%

Rio Grande County, CO Probability: 15.149%

Conejos County, CO Probability: 16.059%

Saguache County, CO Probability: 16.065%

Mineral County, CO Probability: 16.385%

Alamosa County, CO Probability: 16.993%

Hinsdale County, CO Probability: 17.288%

Costilla County, CO Probability: 20.501%

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Colorado Counties With The Most Earthquakes

Las Animas County, CO Earthquake Report (211)
Delta County, CO Earthquake Report (72)
Routt County, CO Earthquake Report (21)
Garfield County, CO Earthquake Report (19)
Montrose County, CO Earthquake Report (18)
Moffat County, CO Earthquake Report (16)
Gunnison County, CO Earthquake Report (13)
Pitkin County, CO Earthquake Report (9)
Rio Blanco County, CO Earthquake Report (7)
Costilla County, CO Earthquake Report (6)
Huerfano County, CO Earthquake Report (6)

Earthquake Information for Colorado

Colorado Counties With The Most Earthquakes

Earthquakes in Colorado By Year Since 1931

earthquake report by city

Related Pages

Colorado Earthquake by county