Biggest Earthquakes in Helena Valley West Central, Montana, 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
243.6 km from West Yellowstone (151.4 miles)
Depth: 10.0 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
59.9 km from Townsend (37.2 miles)
Depth: 15.0 km
Sun Valley, Idaho, United States
6.9 magnitude earthquake
1983-10-28 14:06:06
at 14:06
October 28, 1983 UTC
Location:
Epicenter at 44.0580, -113.8570
321.9 km from Sun Valley (200.0 miles)
Depth: 10.0 km
Challis, Idaho, United States
6.5 magnitude earthquake
2020-03-31 23:52:30
at 23:52
March 31, 2020 UTC
Location:
Epicenter at 44.4910, -115.1180
339.4 km from Challis (210.9 miles)
Depth: 10.0 km
West Yellowstone, Montana, United States
6.3 magnitude earthquake
1959-08-18 15:26:10
at 15:26
August 18, 1959 UTC
Location:
Epicenter at 44.8120, -110.8640
225.8 km from West Yellowstone (140.3 miles)
Depth: 10.0 km
West Yellowstone, Montana, United States
6.0 magnitude earthquake
1959-08-19 04:04:07
at 04:04
August 19, 1959 UTC
Location:
Epicenter at 44.8190, -111.6590
207.3 km from West Yellowstone (128.8 miles)
Depth: 15.0 km
Lincoln, Montana, United States
5.8 magnitude earthquake
2017-07-06 06:30:17
at 06:30
July 06, 2017 UTC
Location:
Epicenter at 46.8840, -112.5640
45.6 km from Lincoln (28.4 miles)
Depth: 12.0 km
West Yellowstone, Montana, United States
5.9 magnitude earthquake
1975-06-30 18:54:13
at 18:54
June 30, 1975 UTC
Location:
Epicenter at 44.7450, -110.6050
241.4 km from West Yellowstone (150.0 miles)
Depth: 7.0 km
Dillon, Montana, United States
5.6 magnitude earthquake
2005-07-26 04:08:37
at 04:08
July 26, 2005 UTC
Location:
Epicenter at 45.3650, -112.6150
150.5 km from Dillon (93.5 miles)
Depth: 12.0 km
West Yellowstone, Montana, United States
5.7 magnitude earthquake
1959-08-18 11:03:51
at 11:03
August 18, 1959 UTC
Location:
Epicenter at 44.8640, -110.7540
224.3 km from West Yellowstone (139.4 miles)
Depth: 15.0 km
West Yellowstone, Montana, United States
5.5 magnitude earthquake
1976-12-08 14:40:59
at 14:40
December 08, 1976 UTC
Location:
Epicenter at 44.7600, -110.7930
233.4 km from West Yellowstone (145.0 miles)
Depth: 5.0 km
Lincoln, Montana, United States
4.9 magnitude earthquake
2017-07-06 06:35:35
at 06:35
July 06, 2017 UTC
Location:
Epicenter at 46.8540, -112.6680
51.0 km from Lincoln (31.7 miles)
Depth: 14.0 km
Challis, Idaho, United States
5.6 magnitude earthquake
1984-08-22 09:46:30
at 09:46
August 22, 1984 UTC
Location:
Epicenter at 44.4670, -114.0080
287.5 km from Challis (178.7 miles)
Depth: 10.0 km
West Yellowstone, Montana, United States
5.2 magnitude earthquake
1977-03-11 12:17:51
at 12:17
March 11, 1977 UTC
Location:
Epicenter at 44.8480, -111.5000
206.4 km from West Yellowstone (128.2 miles)
Depth: 5.0 km
Seeley Lake, Montana, United States
4.8 magnitude earthquake
1985-04-01 09:13:14
at 09:13
April 01, 1985 UTC
Location:
Epicenter at 47.2760, -113.2330
112.3 km from Seeley Lake (69.8 miles)
Depth: 10.0 km
West Yellowstone, Montana, United States
5.3 magnitude earthquake
1976-10-19 07:24:34
at 07:24
October 19, 1976 UTC
Location:
Epicenter at 44.7950, -110.6970
233.2 km from West Yellowstone (144.9 miles)
Depth: 5.0 km
West Yellowstone, Montana, United States
5.3 magnitude earthquake
1976-10-19 06:18:35
at 06:18
October 19, 1976 UTC
Location:
Epicenter at 44.7350, -110.8130
235.3 km from West Yellowstone (146.2 miles)
Depth: 4.0 km
Townsend, Montana, United States
4.6 magnitude earthquake
1977-03-11 05:09:37
at 05:09
March 11, 1977 UTC
Location:
Epicenter at 46.1260, -111.4840
74.3 km from Townsend (46.2 miles)
Depth: 5.0 km
Lincoln, Montana, United States
4.5 magnitude earthquake
2017-07-06 07:02:27
at 07:02
July 06, 2017 UTC
Location:
Epicenter at 46.8970, -112.5290
44.2 km from Lincoln (27.5 miles)
Depth: 10.0 km
Three Forks, Montana, United States
4.5 magnitude earthquake
1977-08-27 05:23:49
at 05:23
August 27, 1977 UTC
Location:
Epicenter at 45.9990, -111.6900
79.1 km from Three Forks (49.2 miles)
Depth: 10.0 km