Earthquake Information for Big Sky, Montana

Big Sky, MT has a very high earthquake risk, with a total of 204 earthquakes since 1931. The USGS database shows that there is a 89.32% chance of a major earthquake within 50km of Big Sky, MT within the next 50 years. The largest earthquake within 30 miles of Big Sky, MT was a 5.2 Magnitude in 1977.

Risk Level:
Very High

Total Number of Earthquakes in Big Sky since 1931 within 30 miles

204

Probability of A 5.0 Earthquake within next 50 years

89.32%

Most Recent
Largest

1/24/2024 - 1.2 mag, -2.0mi depth 18.2403 mi from Virginia City, MT
11/30/2023 - 0.8 mag, 9.9mi depth 22.2327 mi from Ennis, MT
10/3/2023 - 1.4 mag, -2.0mi depth 18.2849 mi from Ennis, MT
8/11/2023 - 1.2 mag, 7.3mi depth 14.3886 mi from Hebgen Lake Estates, MT
7/26/2023 - 1.8 mag, 3.8mi depth 12.8397 mi from Gallatin Gateway, MT
7/9/2023 - 3.0 mag, 9.3mi depth 12.6687 mi from Ennis, MT
6/7/2023 - 2.5 mag, 13.4mi depth 8.03716 mi from Ennis, MT
5/24/2022 - 1.5 mag, -2.0mi depth 17.876 mi from Virginia City, MT
5/12/2022 - 1.3 mag, 2.2mi depth 16.4327 mi from Ennis, MT
3/24/2022 - 1.1 mag, 4.2mi depth 4.83994 mi from Ennis, MT
1/19/2022 - 2.9 mag, 11.7mi depth 16.2221 mi from Virginia City, MT
1/19/2022 - 1.4 mag, 11.7mi depth 16.4928 mi from Virginia City, MT
10/21/2021 - 1.1 mag, -2.0mi depth 17.4984 mi from Virginia City, MT
10/8/2021 - 0.5 mag, 10.2mi depth 16.261 mi from Hebgen Lake Estates, MT
8/31/2021 - 1.0 mag, -2.0mi depth 18.6521 mi from Virginia City, MT
8/18/2021 - 0.9 mag, 2.4mi depth 14.4571 mi from Ennis, MT
8/3/2021 - 1.3 mag, -2.0mi depth 16.5591 mi from Ennis, MT
7/28/2021 - 1.9 mag, 1.2mi depth 8.1295 mi from Ennis, MT
7/20/2021 - 1.8 mag, 3.3mi depth 13.0995 mi from Hebgen Lake Estates, MT
5/11/2021 - 1.2 mag, -2.0mi depth 18.2403 mi from Virginia City, MT
4/20/2021 - 0.7 mag, 9.2mi depth 14.6069 mi from Hebgen Lake Estates, MT
4/15/2021 - 0.7 mag, 5.8mi depth 5.83503 mi from Ennis, MT
2/11/2021 - 1.2 mag, -2.0mi depth 16.7001 mi from Ennis, MT
2/8/2021 - 1.2 mag, -2.0mi depth 18.2403 mi from Virginia City, MT
1/11/2021 - 1.9 mag, 10.3mi depth 14.2232 mi from Hebgen Lake Estates, MT
10/31/2020 - 1.2 mag, 10.3mi depth 13.1699 mi from Hebgen Lake Estates, MT
10/26/2020 - 0.6 mag, 9.0mi depth 13.9291 mi from Hebgen Lake Estates, MT
9/28/2020 - 0.3 mag, 9.1mi depth 12.5807 mi from Hebgen Lake Estates, MT
5/14/2020 - 0.4 mag, 7.7mi depth 16.6546 mi from Virginia City, MT
5/14/2020 - 2.4 mag, 6.6mi depth 26.0303 mi from Virginia City, MT
3/12/2020 - 0.6 mag, 5.4mi depth 19.0236 mi from Virginia City, MT
3/12/2020 - 1.0 mag, -2.0mi depth 17.9042 mi from Virginia City, MT
3/6/2020 - 0.8 mag, 8.1mi depth 23.0986 mi from West Yellowstone, MT
2/26/2020 - 1.6 mag, 12.6mi depth 19.0266 mi from Virginia City, MT
12/11/2019 - 1.5 mag, 12.4mi depth 19.0844 mi from Virginia City, MT
7/10/2019 - 1.0 mag, -2.0mi depth 18.2403 mi from Virginia City, MT
5/30/2019 - 1.1 mag, -2.0mi depth 18.2403 mi from Virginia City, MT
5/11/2019 - 0.7 mag, 13.9mi depth 24.4579 mi from West Yellowstone, MT
12/20/2018 - 1.4 mag, -2.0mi depth 17.548 mi from Virginia City, MT
12/18/2018 - 1.0 mag, 14.2mi depth 24.9117 mi from West Yellowstone, MT
5/24/2018 - 1.5 mag, 5.6mi depth 17.2316 mi from Virginia City, MT
5/14/2018 - 1.3 mag, 12.5mi depth 6.01936 mi from Four Corners, MT
1/30/2018 - 1.2 mag, 9.5mi depth 18.2224 mi from West Yellowstone, MT
1/2/2018 - 0.1 mag, 10.3mi depth 9.91177 mi from Virginia City, MT
12/19/2017 - 1.6 mag, -2.0mi depth 17.6045 mi from Virginia City, MT
11/16/2017 - 1.0 mag, -2.0mi depth 18.2403 mi from Virginia City, MT
6/26/2017 - 1.5 mag, 3.5mi depth 17.6915 mi from Virginia City, MT
4/25/2017 - 0.8 mag, 10.9mi depth 19.6628 mi from West Yellowstone, MT
4/17/2017 - 1.5 mag, 3.5mi depth 17.6935 mi from Virginia City, MT
1/20/2017 - 0.0 mag, 3.9mi depth 22.4787 mi from Three Forks, MT

3/11/1977 - 5.2 mag, 5.0mi depth 16.121 mi from Hebgen Lake Estates, MT
1/29/1975 - 4.2 mag, 5.0mi depth 14.6731 mi from Big Sky, MT
8/30/1997 - 4.1 mag, 3.8mi depth 15.8506 mi from Hebgen Lake Estates, MT
1/6/1979 - 4.1 mag, 5.0mi depth 13.5128 mi from Hebgen Lake Estates, MT
7/22/1987 - 4.0 mag, 3.8mi depth 11.6481 mi from Harrison, MT
3/11/1980 - 4.0 mag, 5.0mi depth 9.6114 mi from Harrison, MT
1/14/1984 - 3.8 mag, 5.0mi depth 21.5639 mi from Virginia City, MT
5/27/1987 - 3.6 mag, 6.1mi depth 9.257 mi from Harrison, MT
9/7/2010 - 3.6 mag, 12.1mi depth 25.5936 mi from Virginia City, MT
4/22/2003 - 3.6 mag, 9.0mi depth 11.7352 mi from Harrison, MT
3/17/1993 - 3.6 mag, 6.2mi depth 11.7518 mi from Harrison, MT
7/21/1987 - 3.6 mag, 4.7mi depth 11.3567 mi from Harrison, MT
9/30/1989 - 3.5 mag, 5.0mi depth 7.5615 mi from Hebgen Lake Estates, MT
1/16/1991 - 3.5 mag, 5.0mi depth 15.4592 mi from Hebgen Lake Estates, MT
8/20/1987 - 3.5 mag, 5.4mi depth 12.7364 mi from Harrison, MT
7/22/1987 - 3.5 mag, 7.3mi depth 10.5456 mi from Harrison, MT
12/20/1984 - 3.5 mag, 5.0mi depth 21.5854 mi from Virginia City, MT
7/15/1987 - 3.4 mag, 3.1mi depth 10.6131 mi from Harrison, MT
9/9/1995 - 3.4 mag, 5.0mi depth 25.4728 mi from Virginia City, MT
7/21/1987 - 3.4 mag, 2.0mi depth 10.2824 mi from Harrison, MT
8/20/1987 - 3.4 mag, 5.6mi depth 12.5436 mi from Harrison, MT
7/23/1987 - 3.3 mag, 4.6mi depth 12.1696 mi from Harrison, MT
8/7/1997 - 3.3 mag, 14.4mi depth 21.8167 mi from Virginia City, MT
2/16/1990 - 3.3 mag, 5.0mi depth 21.4965 mi from Virginia City, MT
6/6/2013 - 3.3 mag, 8.5mi depth 13.4663 mi from Hebgen Lake Estates, MT
7/21/1987 - 3.2 mag, 6.0mi depth 11.9745 mi from Harrison, MT
7/22/1987 - 3.2 mag, 4.1mi depth 10.4457 mi from Harrison, MT
7/22/1987 - 3.2 mag, 3.8mi depth 10.8027 mi from Harrison, MT
7/22/1987 - 3.1 mag, 4.8mi depth 10.8786 mi from Harrison, MT
7/22/1987 - 3.1 mag, 3.9mi depth 11.2165 mi from Harrison, MT
8/3/1987 - 3.1 mag, 3.1mi depth 12.2272 mi from Harrison, MT
12/9/1989 - 3.1 mag, 5.0mi depth 1.3414 mi from Gallatin Gateway, MT
7/22/1987 - 3.1 mag, 3.7mi depth 11.7886 mi from Harrison, MT
11/20/2013 - 3.1 mag, 7.6mi depth 22.3646 mi from West Yellowstone, MT
9/20/2003 - 3.1 mag, 1.0mi depth 14.6968 mi from Virginia City, MT
9/29/2006 - 3.1 mag, 6.6mi depth 21.7636 mi from Virginia City, MT
7/22/1987 - 3.1 mag, 5.1mi depth 11.7835 mi from Harrison, MT
8/3/1987 - 3.0 mag, 3.3mi depth 12.1819 mi from Harrison, MT
11/4/2001 - 3.0 mag, 5.5mi depth 15.6235 mi from Hebgen Lake Estates, MT
7/9/2023 - 3.0 mag, 9.3mi depth 12.6687 mi from Ennis, MT
7/30/1987 - 3.0 mag, 4.3mi depth 11.7179 mi from Harrison, MT
11/6/1991 - 3.0 mag, 8.4mi depth 12.6077 mi from Ennis, MT
7/22/1987 - 3.0 mag, 3.8mi depth 11.6894 mi from Harrison, MT
12/12/2001 - 3.0 mag, 5.6mi depth 16.9857 mi from Virginia City, MT
4/16/1976 - 3.0 mag, 5.0mi depth 9.5532 mi from Harrison, MT
6/10/1993 - 2.9 mag, 5.0mi depth 14.4123 mi from Hebgen Lake Estates, MT
12/31/1992 - 2.9 mag, 7.1mi depth 10.6216 mi from Harrison, MT
8/23/1987 - 2.9 mag, 6.0mi depth 12.1295 mi from Harrison, MT
1/19/2022 - 2.9 mag, 11.7mi depth 16.2221 mi from Virginia City, MT
8/8/1987 - 2.8 mag, 2.5mi depth 10.847 mi from Harrison, MT

View All

Earthquake Probability for Big Sky, MT

View the probability of a major earthquake within the next 50 years in Big Sky, MT.

Probability of Earthquakes Within the Next 50 Years For Magnitudes Between 5.0 and 9.2

(within 31 km/51 miles above magnitude)

5.0

89.32%

5.1

84.61%

5.2

84.61%

5.2

79.15%

5.3

73.16%

5.4

66.89%

5.5

60.57%

5.6

54.41%

5.7

48.55%

5.8

43.11%

5.9

38.15%

6.0

33.69%

6.1

28.93%

6.2

24.71%

6.3

20.88%

6.4

17.54%

6.5

14.58%

6.6

11.54%

6.7

8.80%

6.8

6.32%

6.9

4.31%

7.0

2.20%

7.1

1.66%

7.2

1.20%

7.3

0.82%

7.4

0.40%

7.5

0.17%

7.6

0.07%

7.7

0.02%

7.8

0.00%

7.9

0.00%

8.0

0.00%

8.1

0.00%

8.2

0.00%

8.3

0.00%

8.4

0.00%

8.5

0.00%

8.6

0.00%

8.7

0.00%

8.8

0.00%

8.9

0.00%

9.0

0.00%

9.1

0.00%

9.2

0.00%

Earthquake Count for Big Sky, MT

View the number of earthquake incidents in Big Sky, MT by year that are more than 2.5 Magnitude.

List of Earthquake Incidents for Big Sky, MT

Total Number of Earthquakes in Big Sky, MT within 30 miles. All distances and depths in the table are measured in miles.

01/24/2024

1.2

-2.0

18.24

Earthquake Information for Big Sky, Montana

Earthquake Probability for Big Sky, MT

Probability of Earthquakes Within the Next 50 Years For Magnitudes Between 5.0 and 9.2

Earthquake Count for Big Sky, MT

List of Earthquake Incidents for Big Sky, MT

Risk Of Natural Disasters In Big Sky, MT

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