Biggest Earthquakes in Longmont, Colorado, United States
West Yellowstone, Montana, United States
7.2 magnitude earthquake
1959-08-18 06:37:20
at 06:37
August 18, 1959 UTC
Location:
Epicenter at 44.6300, -110.8910
687.7 km from West Yellowstone (427.3 miles)
Depth: 10.0 km
Northglenn, Colorado, United States
4.3 magnitude earthquake
1981-04-02 16:10:06
at 16:10
April 02, 1981 UTC
Location:
Epicenter at 39.9100, -104.9640
30.9 km from Northglenn (19.2 miles)
Depth: 8.0 km
Douglas, Wyoming, United States
5.3 magnitude earthquake
1984-10-18 15:30:23
at 15:30
October 18, 1984 UTC
Location:
Epicenter at 42.3750, -105.7200
250.6 km from Douglas (155.7 miles)
Depth: 33.0 km
Dacono, Colorado, United States
2.9 magnitude earthquake
2025-06-13 12:08:20
at 12:08
June 13, 2025 UTC
Location:
Epicenter at 40.0370, -104.9560
19.1 km from Dacono (11.9 miles)
Depth: 8.0 km
Castle Rock, Colorado, United States
4.0 magnitude earthquake
1994-12-25 19:06:07
at 19:06
December 25, 1994 UTC
Location:
Epicenter at 39.2900, -104.8110
100.5 km from Castle Rock (62.5 miles)
Depth: 10.0 km
Thornton, Colorado, United States
2.8 magnitude earthquake
1982-09-18 16:11:44
at 16:11
September 18, 1982 UTC
Location:
Epicenter at 39.9020, -104.9120
33.6 km from Thornton (20.9 miles)
Depth: 5.0 km
Northglenn, Colorado, United States
2.5 magnitude earthquake
1984-02-25 09:18:19
at 09:18
February 25, 1984 UTC
Location:
Epicenter at 39.9200, -105.0200
28.3 km from Northglenn (17.6 miles)
Depth: 5.0 km
Gilcrest, Colorado, United States
2.3 magnitude earthquake
2025-07-08 04:40:15
at 04:40
July 08, 2025 UTC
Location:
Epicenter at 40.2720, -104.7970
28.4 km from Gilcrest (17.7 miles)
Depth: 5.0 km
Derby, Colorado, United States
2.8 magnitude earthquake
1982-03-11 23:55:28
at 23:55
March 11, 1982 UTC
Location:
Epicenter at 39.8600, -104.8530
40.2 km from Derby (25.0 miles)
Depth: 5.0 km
Kersey, Colorado, United States
3.2 magnitude earthquake
2014-06-01 03:35:21
at 03:35
June 01, 2014 UTC
Location:
Epicenter at 40.4670, -104.6080
53.6 km from Kersey (33.3 miles)
Depth: 1.0 km
Derby, Colorado, United States
2.1 magnitude earthquake
1981-09-16 19:58:38
at 19:58
September 16, 1981 UTC
Location:
Epicenter at 39.8810, -104.9140
35.6 km from Derby (22.1 miles)
Depth: 5.0 km
Twin Lakes, Colorado, United States
2.5 magnitude earthquake
1989-11-08 06:14:24
at 06:14
November 08, 1989 UTC
Location:
Epicenter at 39.8290, -105.0160
38.3 km from Twin Lakes (23.8 miles)
Depth: 5.0 km
Estes Park, Colorado, United States
2.3 magnitude earthquake
2018-07-06 02:40:38
at 02:40
July 06, 2018 UTC
Location:
Epicenter at 40.4280, -105.3910
38.0 km from Estes Park (23.6 miles)
Depth: 16.0 km
Greeley, Colorado, United States
3.1 magnitude earthquake
2016-11-06 16:57:19
at 16:57
November 06, 2016 UTC
Location:
Epicenter at 40.4560, -104.6210
52.0 km from Greeley (32.3 miles)
Depth: 6.0 km
Commerce City, Colorado, United States
2.9 magnitude earthquake
1978-06-10 20:57:53
at 20:57
June 10, 1978 UTC
Location:
Epicenter at 39.7850, -104.8710
46.8 km from Commerce City (29.1 miles)
Depth: 20.0 km
Denver, Colorado, United States
2.8 magnitude earthquake
1981-03-24 13:03:40
at 13:03
March 24, 1981 UTC
Location:
Epicenter at 39.7510, -104.9360
48.3 km from Denver (30.0 miles)
Depth: 5.0 km
Evans, Colorado, United States
2.1 magnitude earthquake
2015-12-29 05:35:10
at 05:35
December 29, 2015 UTC
Location:
Epicenter at 40.3850, -104.6320
46.7 km from Evans (29.0 miles)
Depth: 1.0 km
Greeley, Colorado, United States
1.6 magnitude earthquake
2016-10-29 13:58:37
at 13:58
October 29, 2016 UTC
Location:
Epicenter at 40.4390, -104.6580
48.3 km from Greeley (30.0 miles)
Depth: 4.0 km
Kersey, Colorado, United States
2.7 magnitude earthquake
2016-11-06 16:57:14
at 16:57
November 06, 2016 UTC
Location:
Epicenter at 40.4590, -104.6320
51.4 km from Kersey (32.0 miles)
Depth: 6.0 km
Greeley, Colorado, United States
2.1 magnitude earthquake
2017-12-10 21:11:01
at 21:11
December 10, 2017 UTC
Location:
Epicenter at 40.4630, -104.6730
49.1 km from Greeley (30.5 miles)
Depth: 8.0 km