Biggest Earthquakes in Spearfish, South Dakota, 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
558.9 km from West Yellowstone (347.3 miles)
Depth: 10.0 km
Gillette, Wyoming, United States
5.0 magnitude earthquake
1984-05-29 20:18:32
at 20:18
May 29, 1984 UTC
Location:
Epicenter at 44.2320, -105.9650
170.3 km from Gillette (105.8 miles)
Depth: 18.0 km
Gillette, Wyoming, United States
4.9 magnitude earthquake
1984-09-08 00:59:31
at 00:59
September 08, 1984 UTC
Location:
Epicenter at 44.2400, -106.0190
174.4 km from Gillette (108.4 miles)
Depth: 20.0 km
Belle Fourche, South Dakota, United States
4.2 magnitude earthquake
2009-09-25 15:11:34
at 15:11
September 25, 2009 UTC
Location:
Epicenter at 45.0200, -104.2100
65.0 km from Belle Fourche (40.4 miles)
Depth: 4.0 km
Custer, South Dakota, United States
3.7 magnitude earthquake
1996-02-06 16:08:36
at 16:08
February 06, 1996 UTC
Location:
Epicenter at 43.9810, -103.7290
57.6 km from Custer (35.8 miles)
Depth: 5.0 km
Lead, South Dakota, United States
2.7 magnitude earthquake
1993-09-05 08:12:35
at 08:12
September 05, 1993 UTC
Location:
Epicenter at 44.4000, -103.8000
11.1 km from Lead (6.9 miles)
Depth: 5.0 km
Lead, South Dakota, United States
2.5 magnitude earthquake
1991-11-05 16:18:49
at 16:18
November 05, 1991 UTC
Location:
Epicenter at 44.3500, -103.7500
17.9 km from Lead (11.1 miles)
Depth: 0.0 km
Buffalo, Wyoming, United States
4.8 magnitude earthquake
1976-09-03 04:18:16
at 04:18
September 03, 1976 UTC
Location:
Epicenter at 44.0410, -106.1540
189.9 km from Buffalo (118.0 miles)
Depth: 10.0 km
Colonial Pine Hills, South Dakota, United States
3.5 magnitude earthquake
2013-12-12 09:43:20
at 09:43
December 12, 2013 UTC
Location:
Epicenter at 43.8180, -103.3180
86.4 km from Colonial Pine Hills (53.7 miles)
Depth: 4.0 km
Rapid Valley, South Dakota, United States
2.5 magnitude earthquake
2004-01-24 04:09:01
at 04:09
January 24, 2004 UTC
Location:
Epicenter at 44.0000, -103.2000
75.8 km from Rapid Valley (47.1 miles)
Depth: 5.0 km
Newcastle, Wyoming, United States
2.8 magnitude earthquake
2004-01-05 02:53:16
at 02:53
January 05, 2004 UTC
Location:
Epicenter at 43.5980, -103.9950
99.8 km from Newcastle (62.0 miles)
Depth: 5.0 km
Custer, South Dakota, United States
2.9 magnitude earthquake
2025-03-09 03:14:28
at 03:14
March 09, 2025 UTC
Location:
Epicenter at 43.6420, -103.4340
100.3 km from Custer (62.3 miles)
Depth: 5.0 km
Moorcroft, Wyoming, United States
3.0 magnitude earthquake
2014-01-02 14:58:58
at 14:58
January 02, 2014 UTC
Location:
Epicenter at 44.0700, -105.0850
108.4 km from Moorcroft (67.4 miles)
Depth: 0.0 km
Townsend, Montana, United States
6.9 magnitude earthquake
1925-06-28 01:21:12
at 01:21
June 28, 1925 UTC
Location:
Epicenter at 46.3670, -111.4080
626.5 km from Townsend (389.3 miles)
Depth: 15.0 km
Box Elder, South Dakota, United States
2.6 magnitude earthquake
2025-06-08 03:30:51
at 03:30
June 08, 2025 UTC
Location:
Epicenter at 44.2110, -102.5300
110.5 km from Box Elder (68.6 miles)
Depth: 10.0 km
Sleepy Hollow, Wyoming, United States
3.7 magnitude earthquake
2015-01-28 17:06:44
at 17:06
January 28, 2015 UTC
Location:
Epicenter at 44.0070, -105.2310
122.0 km from Sleepy Hollow (75.8 miles)
Depth: 0.0 km
Sleepy Hollow, Wyoming, United States
3.7 magnitude earthquake
2013-10-30 19:15:39
at 19:15
October 30, 2013 UTC
Location:
Epicenter at 43.9840, -105.2240
122.7 km from Sleepy Hollow (76.2 miles)
Depth: 0.0 km
Box Elder, South Dakota, United States
3.1 magnitude earthquake
2007-02-07 10:35:58
at 10:35
February 07, 2007 UTC
Location:
Epicenter at 44.0330, -102.5800
114.1 km from Box Elder (70.9 miles)
Depth: 5.0 km
Sleepy Hollow, Wyoming, United States
3.7 magnitude earthquake
2013-09-14 17:17:58
at 17:17
September 14, 2013 UTC
Location:
Epicenter at 44.0500, -105.2820
123.7 km from Sleepy Hollow (76.9 miles)
Depth: 0.0 km
Moorcroft, Wyoming, United States
3.2 magnitude earthquake
2015-01-05 18:31:40
at 18:31
January 05, 2015 UTC
Location:
Epicenter at 44.0460, -105.1620
115.2 km from Moorcroft (71.6 miles)
Depth: 0.0 km