Earthquake Information for Powell County, Montana

Powell County, MT has a high earthquake risk, with a total of 29 earthquakes since 1931. The USGS database shows that there is a 51.20% chance of a major earthquake within 50km of Powell County, MT within the next 50 years. The largest earthquake within 30 miles of Powell County, MT was a 5.8 Magnitude in 2017.

Risk Level:
High

Total Number of Earthquakes in Powell County since 1931

Probability of A 5.0 Earthquake within next 50 years

51.20%

Most Recent
Largest

4/25/2024 - 1.2 mag, 3.3mi depth 10 mi from Avon, MT
1/5/2024 - 1.3 mag, 0.1mi depth 10 mi from Avon, MT
8/6/2023 - 2.5 mag, 10.0mi depth 16 mi from Ovando, MT
2/7/2022 - 1.1 mag, 18.1mi depth 5 mi from Ovando, MT
9/8/2021 - 1.1 mag, 10.0mi depth 7 mi from Garrison, MT
8/2/2021 - 0.7 mag, 11.6mi depth 9 mi from Ovando, MT
5/24/2021 - 2.6 mag, 1.7mi depth 4 mi from Avon, MT
1/26/2021 - 1.1 mag, 4.4mi depth 8 mi from Avon, MT
1/6/2021 - 1.4 mag, 1.7mi depth 8 mi from Avon, MT
11/24/2020 - 1.3 mag, 5.3mi depth 7 mi from Avon, MT
3/29/2017 - 1.5 mag, 13.3mi depth 15 mi from Deer Lodge, MT
3/15/2017 - 0.3 mag, 15.7mi depth 15 mi from Deer Lodge, MT
3/13/2017 - 1.7 mag, 14.8mi depth 15 mi from Deer Lodge, MT
3/12/2017 - 3.5 mag, 12.2mi depth 16 mi from Deer Lodge, MT
3/12/2017 - 3.8 mag, 19.6mi depth 15 mi from Deer Lodge, MT
9/11/2015 - 0.4 mag, 11.6mi depth 15 mi from Deer Lodge, MT
7/29/2015 - 2.9 mag, 12.9mi depth 11 mi from Deer Lodge, MT
9/4/2014 - 1.4 mag, 4.8mi depth 14 mi from Deer Lodge, MT
8/1/2014 - 1.7 mag, 4.6mi depth 16 mi from Deer Lodge, MT
4/27/2014 - 1.2 mag, 14.4mi depth 3 mi from Elliston, MT
4/5/2014 - 1.4 mag, 15.0mi depth 3 mi from Avon, MT
12/8/2013 - 1.1 mag, 2.4mi depth 18 mi from Deer Lodge, MT
12/6/2013 - 1.2 mag, 2.2mi depth 18 mi from Deer Lodge, MT
12/6/2013 - 1.4 mag, 9.3mi depth 18 mi from Deer Lodge, MT
12/5/2013 - 1.1 mag, 1.7mi depth 18 mi from Deer Lodge, MT
11/18/2013 - 1.5 mag, 12.5mi depth 17 mi from Deer Lodge, MT
10/22/2013 - 1.7 mag, 16.9mi depth 4 mi from Elliston, MT
10/7/2013 - 1.0 mag, 0.0mi depth 8 mi from Ovando, MT
10/7/2013 - 1.4 mag, 7.9mi depth 8 mi from Ovando, MT
8/19/2013 - 1.0 mag, 16.2mi depth 2 mi from Elliston, MT
7/5/2013 - 1.3 mag, 0.8mi depth 9 mi from Garrison, MT
5/17/2013 - 2.8 mag, 11.6mi depth 9 mi from Ovando, MT
5/6/2013 - 1.1 mag, 18.5mi depth 4 mi from Avon, MT
4/19/2013 - 1.8 mag, 9.9mi depth 4 mi from Ovando, MT
4/11/2013 - 1.0 mag, 4.3mi depth 1 mi from Elliston, MT
4/8/2013 - 2.5 mag, 7.6mi depth 1 mi from Elliston, MT
3/25/2013 - 1.7 mag, 9.1mi depth 11 mi from Ovando, MT
3/13/2013 - 1.1 mag, 9.5mi depth 6 mi from Ovando, MT
2/23/2013 - 1.4 mag, 15.2mi depth 10 mi from Ovando, MT
2/19/2013 - 1.2 mag, 17.6mi depth 2 mi from Elliston, MT
5/7/2012 - 2.8 mag, 13.3mi depth 11 mi from Ovando, MT
10/14/2009 - 2.9 mag, 27.6mi depth 4 mi from Avon, MT
9/29/2009 - 2.6 mag, 18.2mi depth 4 mi from Avon, MT
9/28/2009 - 2.9 mag, 24.0mi depth 4 mi from Avon, MT
4/12/2006 - 2.5 mag, 12.7mi depth 10 mi from Avon, MT
4/24/2002 - 3.1 mag, 9.1mi depth 12 mi from Ovando, MT
9/15/1998 - 3.6 mag, 5.9mi depth 7 mi from Ovando, MT
7/6/1991 - 3.2 mag, 5.0mi depth 10 mi from Ovando, MT
3/8/1991 - 3.1 mag, 5.0mi depth 9 mi from Avon, MT
12/5/1990 - 3.1 mag, 5.0mi depth 13 mi from Garrison, MT
12/5/1990 - 3.0 mag, 5.0mi depth 12 mi from Avon, MT
12/29/1987 - 3.1 mag, 5.0mi depth 8 mi from Ovando, MT
9/28/1987 - 3.0 mag, 5.0mi depth 12 mi from Ovando, MT
3/22/1987 - 2.8 mag, 5.0mi depth 10 mi from Ovando, MT
5/15/1982 - 3.3 mag, 5.0mi depth 9 mi from Ovando, MT
8/24/1980 - 3.4 mag, 5.0mi depth 16 mi from Ovando, MT
4/20/1980 - 3.8 mag, 5.0mi depth 12 mi from Ovando, MT
11/12/1978 - 3.4 mag, 5.0mi depth 6 mi from Garrison, MT
11/10/1978 - 4.3 mag, 5.0mi depth 8 mi from Ovando, MT
10/21/1978 - 3.5 mag, 5.0mi depth 5 mi from Ovando, MT
10/16/1978 - 3.4 mag, 5.0mi depth 6 mi from Ovando, MT
9/14/1978 - 3.0 mag, 5.0mi depth 7 mi from Ovando, MT
5/19/1978 - 3.2 mag, 5.0mi depth 7 mi from Ovando, MT
4/23/1978 - 3.7 mag, 5.0mi depth 7 mi from Ovando, MT
4/23/1978 - 4.5 mag, 5.0mi depth 6 mi from Ovando, MT
1/5/1973 - 0.0 mag, 5.0mi depth 5 mi from Deer Lodge, MT

4/23/1978 - 4.5 mag, 5.0mi depth 6 mi from Ovando, MT
11/10/1978 - 4.3 mag, 5.0mi depth 8 mi from Ovando, MT
4/20/1980 - 3.8 mag, 5.0mi depth 12 mi from Ovando, MT
3/12/2017 - 3.8 mag, 19.6mi depth 15 mi from Deer Lodge, MT
4/23/1978 - 3.7 mag, 5.0mi depth 7 mi from Ovando, MT
9/15/1998 - 3.6 mag, 5.9mi depth 7 mi from Ovando, MT
10/21/1978 - 3.5 mag, 5.0mi depth 5 mi from Ovando, MT
3/12/2017 - 3.5 mag, 12.2mi depth 16 mi from Deer Lodge, MT
8/24/1980 - 3.4 mag, 5.0mi depth 16 mi from Ovando, MT
10/16/1978 - 3.4 mag, 5.0mi depth 6 mi from Ovando, MT
11/12/1978 - 3.4 mag, 5.0mi depth 6 mi from Garrison, MT
5/15/1982 - 3.3 mag, 5.0mi depth 9 mi from Ovando, MT
5/19/1978 - 3.2 mag, 5.0mi depth 7 mi from Ovando, MT
7/6/1991 - 3.2 mag, 5.0mi depth 10 mi from Ovando, MT
12/29/1987 - 3.1 mag, 5.0mi depth 8 mi from Ovando, MT
12/5/1990 - 3.1 mag, 5.0mi depth 13 mi from Garrison, MT
3/8/1991 - 3.1 mag, 5.0mi depth 9 mi from Avon, MT
4/24/2002 - 3.1 mag, 9.1mi depth 12 mi from Ovando, MT
9/28/1987 - 3.0 mag, 5.0mi depth 12 mi from Ovando, MT
9/14/1978 - 3.0 mag, 5.0mi depth 7 mi from Ovando, MT
12/5/1990 - 3.0 mag, 5.0mi depth 12 mi from Avon, MT
9/28/2009 - 2.9 mag, 24.0mi depth 4 mi from Avon, MT
10/14/2009 - 2.9 mag, 27.6mi depth 4 mi from Avon, MT
7/29/2015 - 2.9 mag, 12.9mi depth 11 mi from Deer Lodge, MT
3/22/1987 - 2.8 mag, 5.0mi depth 10 mi from Ovando, MT
5/17/2013 - 2.8 mag, 11.6mi depth 9 mi from Ovando, MT
5/7/2012 - 2.8 mag, 13.3mi depth 11 mi from Ovando, MT
9/29/2009 - 2.6 mag, 18.2mi depth 4 mi from Avon, MT
5/24/2021 - 2.6 mag, 1.7mi depth 4 mi from Avon, MT
4/12/2006 - 2.5 mag, 12.7mi depth 10 mi from Avon, MT
4/8/2013 - 2.5 mag, 7.6mi depth 1 mi from Elliston, MT
8/6/2023 - 2.5 mag, 10.0mi depth 16 mi from Ovando, MT
4/19/2013 - 1.8 mag, 9.9mi depth 4 mi from Ovando, MT
3/13/2017 - 1.7 mag, 14.8mi depth 15 mi from Deer Lodge, MT
8/1/2014 - 1.7 mag, 4.6mi depth 16 mi from Deer Lodge, MT
10/22/2013 - 1.7 mag, 16.9mi depth 4 mi from Elliston, MT
3/25/2013 - 1.7 mag, 9.1mi depth 11 mi from Ovando, MT
3/29/2017 - 1.5 mag, 13.3mi depth 15 mi from Deer Lodge, MT
11/18/2013 - 1.5 mag, 12.5mi depth 17 mi from Deer Lodge, MT
12/6/2013 - 1.4 mag, 9.3mi depth 18 mi from Deer Lodge, MT
4/5/2014 - 1.4 mag, 15.0mi depth 3 mi from Avon, MT
1/6/2021 - 1.4 mag, 1.7mi depth 8 mi from Avon, MT
9/4/2014 - 1.4 mag, 4.8mi depth 14 mi from Deer Lodge, MT
2/23/2013 - 1.4 mag, 15.2mi depth 10 mi from Ovando, MT
10/7/2013 - 1.4 mag, 7.9mi depth 8 mi from Ovando, MT
1/5/2024 - 1.3 mag, 0.1mi depth 10 mi from Avon, MT
11/24/2020 - 1.3 mag, 5.3mi depth 7 mi from Avon, MT
7/5/2013 - 1.3 mag, 0.8mi depth 9 mi from Garrison, MT
12/6/2013 - 1.2 mag, 2.2mi depth 18 mi from Deer Lodge, MT
4/25/2024 - 1.2 mag, 3.3mi depth 10 mi from Avon, MT
4/27/2014 - 1.2 mag, 14.4mi depth 3 mi from Elliston, MT
2/19/2013 - 1.2 mag, 17.6mi depth 2 mi from Elliston, MT
5/6/2013 - 1.1 mag, 18.5mi depth 4 mi from Avon, MT
12/8/2013 - 1.1 mag, 2.4mi depth 18 mi from Deer Lodge, MT
1/26/2021 - 1.1 mag, 4.4mi depth 8 mi from Avon, MT
3/13/2013 - 1.1 mag, 9.5mi depth 6 mi from Ovando, MT
9/8/2021 - 1.1 mag, 10.0mi depth 7 mi from Garrison, MT
2/7/2022 - 1.1 mag, 18.1mi depth 5 mi from Ovando, MT
12/5/2013 - 1.1 mag, 1.7mi depth 18 mi from Deer Lodge, MT
8/19/2013 - 1.0 mag, 16.2mi depth 2 mi from Elliston, MT
10/7/2013 - 1.0 mag, 0.0mi depth 8 mi from Ovando, MT
4/11/2013 - 1.0 mag, 4.3mi depth 1 mi from Elliston, MT
8/2/2021 - 0.7 mag, 11.6mi depth 9 mi from Ovando, MT
9/11/2015 - 0.4 mag, 11.6mi depth 15 mi from Deer Lodge, MT
3/15/2017 - 0.3 mag, 15.7mi depth 15 mi from Deer Lodge, MT
1/5/1973 - 0.0 mag, 5.0mi depth 5 mi from Deer Lodge, MT

View All

Earthquake Probability for Powell County, MT

View the probability of a major earthquake within the next 50 years in Powell County, 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

51.20%

5.1

45.01%

5.2

45.01%

5.2

39.28%

5.3

34.05%

5.4

29.36%

5.5

25.21%

5.6

21.57%

5.7

18.41%

5.8

15.68%

5.9

13.35%

6.0

11.35%

6.1

9.30%

6.2

7.55%

6.3

6.05%

6.4

4.79%

6.5

3.67%

6.6

2.72%

6.7

1.91%

6.8

1.18%

6.9

0.56%

7.0

0.00%

7.1

0.00%

7.2

0.00%

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 Powell County, MT

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

List of Earthquake Incidents for Powell County, MT

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

Date

Magnitude

Depth

04/25/2024

1.2

3.3

Earthquake Information for Powell County, Montana

Earthquake Probability for Powell County, MT

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

Earthquake Count for Powell County, MT

List of Earthquake Incidents for Powell County, MT

Risk Of Natural Disasters In Powell County, MT

Related Pages

Montana Earthquakes by City