Earthquake Information for South Hills, Montana

South Hills, MT has a high earthquake risk, with a total of 208 earthquakes since 1931. The USGS database shows that there is a 53.05% chance of a major earthquake within 50km of South Hills, MT within the next 50 years. The largest earthquake within 30 miles of South Hills, MT was a 3.9 Magnitude in 1975.

Risk Level:
High

Total Number of Earthquakes in South Hills since 1931 within 30 miles

208

Probability of A 5.0 Earthquake within next 50 years

53.05%

Most Recent
Largest

4/19/2024 - 0.6 mag, 9.8mi depth 16.6424 mi from Winston, MT
2/14/2024 - 2.0 mag, -2.0mi depth 4.66524 mi from Townsend, MT
1/26/2024 - 0.4 mag, 10.4mi depth 3.86656 mi from Marysville, MT
10/10/2023 - 0.9 mag, -2.0mi depth 0.9172 mi from South Hills, MT
5/26/2022 - 0.2 mag, 8.4mi depth 2.98304 mi from Marysville, MT
2/10/2022 - 1.1 mag, -2.0mi depth 4.63013 mi from Townsend, MT
12/2/2021 - 1.9 mag, -2.0mi depth 5.42849 mi from Townsend, MT
10/26/2021 - 1.9 mag, -2.0mi depth 5.2829 mi from Townsend, MT
10/12/2021 - 1.8 mag, -2.0mi depth 5.36269 mi from Townsend, MT
10/6/2021 - 1.2 mag, 6.0mi depth 3.50547 mi from Elkhorn, MT
8/28/2021 - 2.9 mag, 5.4mi depth 6.59797 mi from Winston, MT
8/12/2021 - 1.7 mag, -2.0mi depth 4.83454 mi from Townsend, MT
8/3/2021 - 1.1 mag, -2.0mi depth 3.75908 mi from Townsend, MT
7/6/2021 - 1.7 mag, 12.1mi depth 9.8412 mi from Marysville, MT
6/22/2021 - 1.6 mag, -2.0mi depth 5.53359 mi from Townsend, MT
6/10/2021 - 1.4 mag, -2.0mi depth 4.26698 mi from Townsend, MT
6/3/2021 - 1.5 mag, -2.0mi depth 4.34361 mi from The Silos, MT
5/24/2021 - 2.6 mag, 1.7mi depth 3.61691 mi from Avon, MT
4/20/2021 - 0.9 mag, -2.0mi depth 4.52206 mi from The Silos, MT
4/19/2021 - 1.3 mag, -2.0mi depth 5.89452 mi from Townsend, MT
3/24/2021 - 3.1 mag, 4.8mi depth 9.41534 mi from Marysville, MT
2/18/2021 - 2.1 mag, 5.9mi depth 1.10726 mi from Townsend, MT
1/26/2021 - 1.1 mag, 4.4mi depth 8.26825 mi from Avon, MT
1/6/2021 - 1.4 mag, 1.7mi depth 7.7696 mi from Avon, MT
11/24/2020 - 1.3 mag, 5.3mi depth 7.35764 mi from Avon, MT
7/22/2020 - 1.6 mag, -2.0mi depth 4.38656 mi from Townsend, MT
6/4/2020 - 0.6 mag, -2.0mi depth 2.15083 mi from Townsend, MT
4/19/2020 - 2.6 mag, 10.0mi depth 2.95033 mi from Boulder, MT
4/17/2020 - 2.8 mag, 10.0mi depth 3.682 mi from Boulder, MT
2/28/2020 - 1.9 mag, 4.4mi depth 24.9765 mi from Helena Valley Southeast, MT
1/30/2020 - 3.3 mag, 5.0mi depth 7.29342 mi from Helena Valley Northwest, MT
12/17/2019 - 1.6 mag, -3.0mi depth 15.1687 mi from Helena Valley Northwest, MT
7/30/2019 - 1.4 mag, -2.0mi depth 3.21112 mi from Montana City, MT
6/18/2019 - 1.7 mag, -2.0mi depth 2.80948 mi from Montana City, MT
5/8/2019 - 1.2 mag, 4.7mi depth 16.6278 mi from Helena Valley Northeast, MT
5/8/2019 - -0.6 mag, 9.1mi depth 10.6966 mi from Helena West Side, MT
5/4/2019 - 1.4 mag, 9.8mi depth 4.45729 mi from Helena Valley Northwest, MT
5/1/2019 - 1.6 mag, -2.0mi depth 4.80295 mi from Townsend, MT
3/20/2019 - 2.6 mag, 14.8mi depth 13.3668 mi from Lincoln, MT
2/4/2019 - 2.0 mag, 12.4mi depth 12.8076 mi from Helena West Side, MT
10/11/2018 - 1.8 mag, -2.0mi depth 4.63809 mi from Townsend, MT
9/20/2018 - 1.3 mag, -2.0mi depth 4.39916 mi from Townsend, MT
7/3/2018 - 1.6 mag, -2.0mi depth 4.70855 mi from Townsend, MT
4/4/2018 - 1.1 mag, -2.0mi depth 3.99378 mi from Townsend, MT
2/7/2018 - 1.3 mag, -2.0mi depth 4.41979 mi from Townsend, MT
9/6/2017 - 1.6 mag, -2.0mi depth 4.2136 mi from Townsend, MT
8/22/2017 - 1.0 mag, 7.7mi depth 13.6806 mi from Helena Valley Northwest, MT
8/22/2017 - 1.0 mag, 8.3mi depth 13.8739 mi from Helena Valley Northwest, MT
7/6/2017 - 3.9 mag, 10.8mi depth 12.8981 mi from Lincoln, MT
3/29/2017 - 1.5 mag, 13.3mi depth 14.6949 mi from Deer Lodge, MT

7/18/1975 - 3.9 mag, 5.0mi depth 3.0031 mi from Helena Valley Northwest, MT
7/6/2017 - 3.9 mag, 10.8mi depth 12.8981 mi from Lincoln, MT
2/13/1976 - 3.8 mag, 1.0mi depth 3.6178 mi from Helena Valley Northwest, MT
3/12/2017 - 3.8 mag, 19.6mi depth 14.7881 mi from Deer Lodge, MT
1/16/2011 - 3.7 mag, 15.2mi depth 6.4254 mi from Marysville, MT
7/16/1986 - 3.6 mag, 5.0mi depth 4.8037 mi from Jefferson City, MT
7/16/1986 - 3.6 mag, 5.0mi depth 4.9677 mi from Jefferson City, MT
7/19/1975 - 3.5 mag, 5.0mi depth 3.049 mi from Helena Valley West Central, MT
1/17/2004 - 3.5 mag, 11.3mi depth 2.8393 mi from Radersburg, MT
10/24/1986 - 3.5 mag, 3.4mi depth 4.6775 mi from Elkhorn, MT
10/18/1986 - 3.5 mag, 5.0mi depth 3.5808 mi from Elkhorn, MT
3/12/2017 - 3.5 mag, 12.2mi depth 15.9887 mi from Deer Lodge, MT
4/2/2005 - 3.4 mag, 15.2mi depth 7.9374 mi from Boulder, MT
2/3/2016 - 3.4 mag, 2.0mi depth 4.5893 mi from Clancy, MT
10/3/2015 - 3.4 mag, 4.3mi depth 5.03827 mi from Helena Valley Northwest, MT
11/26/1982 - 3.4 mag, 5.0mi depth 2.1488 mi from Elkhorn, MT
11/9/1986 - 3.3 mag, 5.0mi depth 1.7875 mi from Boulder, MT
10/19/1986 - 3.3 mag, 5.0mi depth 3.3258 mi from Elkhorn, MT
1/30/2020 - 3.3 mag, 5.0mi depth 7.29342 mi from Helena Valley Northwest, MT
10/31/1995 - 3.2 mag, 10.6mi depth 8.4466 mi from Marysville, MT
1/17/2004 - 3.2 mag, 11.0mi depth 2.8393 mi from Radersburg, MT
6/16/1999 - 3.2 mag, 3.9mi depth 9.9691 mi from Craig, MT
10/18/1986 - 3.2 mag, 5.0mi depth 4.9091 mi from Elkhorn, MT
9/4/1977 - 3.2 mag, 5.0mi depth 1.4664 mi from Helena West Side, MT
7/6/2008 - 3.1 mag, 12.1mi depth 3.7904 mi from Elkhorn, MT
3/24/2021 - 3.1 mag, 4.8mi depth 9.41534 mi from Marysville, MT
7/18/1975 - 3.1 mag, 5.0mi depth 3.8013 mi from Helena Valley West Central, MT
12/3/1986 - 3.1 mag, 0.0mi depth 9.1676 mi from Jefferson City, MT
12/6/2015 - 3.1 mag, 3.0mi depth 5.44792 mi from Clancy, MT
2/3/1993 - 3.1 mag, 23.0mi depth 8.8961 mi from Marysville, MT
6/20/2016 - 3.0 mag, -2.8mi depth 8.0911 mi from Helena West Side, MT
6/18/2015 - 3.0 mag, 10.6mi depth 7.86535 mi from Helena Valley Northwest, MT
4/18/2009 - 3.0 mag, 21.8mi depth 7.3497 mi from Marysville, MT
12/26/1998 - 2.9 mag, 5.8mi depth 5.2446 mi from Jefferson City, MT
10/7/2003 - 2.9 mag, 10.2mi depth 9.0945 mi from Radersburg, MT
9/13/2012 - 2.9 mag, 9.1mi depth 8.3198 mi from Helena Valley Northeast, MT
7/29/2015 - 2.9 mag, 12.9mi depth 11.1775 mi from Deer Lodge, MT
10/14/2009 - 2.9 mag, 27.6mi depth 4.216 mi from Avon, MT
12/19/1994 - 2.9 mag, 6.3mi depth 1.8688 mi from Marysville, MT
8/28/2021 - 2.9 mag, 5.4mi depth 6.59797 mi from Winston, MT
9/28/2009 - 2.9 mag, 24.0mi depth 4.0588 mi from Avon, MT
3/22/2003 - 2.9 mag, 10.3mi depth 3.0942 mi from Helena Valley West Central, MT
4/11/2010 - 2.8 mag, 17.8mi depth 19.6745 mi from Helena Valley Northeast, MT
1/5/2010 - 2.8 mag, 11.6mi depth 4.4439 mi from Helena Valley Northwest, MT
4/17/2020 - 2.8 mag, 10.0mi depth 3.682 mi from Boulder, MT
12/2/2010 - 2.8 mag, 14.3mi depth 6.4993 mi from Marysville, MT
6/4/2003 - 2.8 mag, 16.2mi depth 6.0518 mi from Marysville, MT
1/1/1999 - 2.7 mag, 5.4mi depth 5.0355 mi from Jefferson City, MT
9/11/1995 - 2.7 mag, 4.7mi depth 1.2808 mi from Helena, MT
11/15/1998 - 2.7 mag, 0.7mi depth 2.4575 mi from Helena Valley Northwest, MT

View All

Earthquake Probability for South Hills, MT

View the probability of a major earthquake within the next 50 years in South Hills, 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

53.05%

5.1

46.84%

5.2

46.84%

5.2

41.07%

5.3

35.78%

5.4

31.03%

5.5

26.80%

5.6

23.10%

5.7

19.87%

5.8

17.08%

5.9

14.69%

6.0

12.65%

6.1

10.56%

6.2

8.78%

6.3

7.24%

6.4

5.93%

6.5

4.77%

6.6

3.56%

6.7

2.54%

6.8

1.61%

6.9

0.78%

7.0

0.11%

7.1

0.04%

7.2

0.01%

7.3

0.00%

7.4

0.00%

7.5

0.00%

7.6

0.00%

7.7

0.00%

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 South Hills, MT

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

List of Earthquake Incidents for South Hills, MT

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

04/19/2024

0.6

9.8

16.64

Earthquake Information for South Hills, Montana

Earthquake Probability for South Hills, MT

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

Earthquake Count for South Hills, MT

List of Earthquake Incidents for South Hills, MT

Risk Of Natural Disasters In South Hills, MT

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