Earthquake Information for Madison County, Montana

Madison County, MT has a very high earthquake risk, with a total of 112 earthquakes since 1931. The USGS database shows that there is a 83.79% chance of a major earthquake within 50km of Madison County, MT within the next 50 years. The largest earthquake within 30 miles of Madison County, MT was a 4.4 Magnitude in 2007.

Risk Level:
Very High

Total Number of Earthquakes in Madison County since 1931

112

Probability of A 5.0 Earthquake within next 50 years

83.79%

Most Recent
Largest

3/15/2024 - 1.7 mag, 5.0mi depth 21 mi from Virginia City, MT
1/25/2024 - 0.8 mag, 3.2mi depth 13 mi from Pony, MT
1/24/2024 - 1.2 mag, -2.0mi depth 18 mi from Virginia City, MT
11/30/2023 - 0.8 mag, 9.9mi depth 22 mi from Ennis, MT
11/14/2023 - 2.6 mag, 2.3mi depth 3 mi from Pony, MT
10/3/2023 - 1.4 mag, -2.0mi depth 18 mi from Ennis, MT
9/30/2023 - 1.1 mag, 4.2mi depth 3 mi from Twin Bridges, MT
7/9/2023 - 3.0 mag, 9.3mi depth 13 mi from Ennis, MT
6/7/2023 - 2.5 mag, 13.4mi depth 8 mi from Ennis, MT
5/24/2022 - 1.5 mag, -2.0mi depth 18 mi from Virginia City, MT
5/12/2022 - 1.3 mag, 2.2mi depth 16 mi from Ennis, MT
4/1/2022 - 0.7 mag, -2.0mi depth 3 mi from Alder, MT
3/24/2022 - 1.1 mag, 4.2mi depth 5 mi from Ennis, MT
2/28/2022 - 1.0 mag, 4.0mi depth 12 mi from Pony, MT
2/25/2022 - 1.1 mag, -2.0mi depth 5 mi from Virginia City, MT
2/10/2022 - 1.2 mag, 1.0mi depth 5 mi from Harrison, MT
1/19/2022 - 1.4 mag, 11.7mi depth 16 mi from Virginia City, MT
1/19/2022 - 2.9 mag, 11.7mi depth 16 mi from Virginia City, MT
12/22/2021 - 1.3 mag, 7.4mi depth 4 mi from Harrison, MT
10/21/2021 - 1.1 mag, -2.0mi depth 17 mi from Virginia City, MT
10/8/2021 - 1.9 mag, 3.8mi depth 6 mi from Pony, MT
10/1/2021 - 2.7 mag, 5.0mi depth 5 mi from Pony, MT
8/31/2021 - 1.0 mag, -2.0mi depth 19 mi from Virginia City, MT
8/18/2021 - 0.9 mag, 2.4mi depth 14 mi from Ennis, MT
8/4/2021 - 1.2 mag, -2.0mi depth 12 mi from Alder, MT
8/3/2021 - 1.3 mag, -2.0mi depth 17 mi from Ennis, MT
7/28/2021 - 1.9 mag, 1.2mi depth 8 mi from Ennis, MT
7/8/2021 - 1.6 mag, 5.3mi depth 9 mi from Harrison, MT
5/11/2021 - 1.2 mag, -2.0mi depth 18 mi from Virginia City, MT
5/7/2021 - 1.5 mag, 10.9mi depth 2 mi from Alder, MT
4/15/2021 - 0.7 mag, 5.8mi depth 6 mi from Ennis, MT
2/11/2021 - 1.2 mag, -2.0mi depth 17 mi from Ennis, MT
2/8/2021 - 1.2 mag, -2.0mi depth 18 mi from Virginia City, MT
12/19/2020 - 2.8 mag, 16.6mi depth 9 mi from Twin Bridges, MT
9/29/2020 - 1.2 mag, 1.3mi depth 6 mi from Harrison, MT
5/14/2020 - 0.4 mag, 7.7mi depth 17 mi from Virginia City, MT
5/14/2020 - 2.4 mag, 6.6mi depth 26 mi from Virginia City, MT
3/12/2020 - 0.6 mag, 5.4mi depth 19 mi from Virginia City, MT
3/12/2020 - 1.0 mag, -2.0mi depth 18 mi from Virginia City, MT
3/3/2020 - 1.8 mag, 4.0mi depth 19 mi from Virginia City, MT
2/26/2020 - 1.6 mag, 12.6mi depth 19 mi from Virginia City, MT
12/11/2019 - 1.5 mag, 12.4mi depth 19 mi from Virginia City, MT
11/2/2019 - 0.6 mag, 3.9mi depth 21 mi from Virginia City, MT
9/13/2019 - 2.2 mag, 4.2mi depth 18 mi from Virginia City, MT
9/12/2019 - 2.0 mag, 8.4mi depth 19 mi from Virginia City, MT
9/5/2019 - 1.0 mag, -0.3mi depth 18 mi from Virginia City, MT
7/10/2019 - 1.0 mag, -2.0mi depth 18 mi from Virginia City, MT
7/3/2019 - 1.0 mag, 5.9mi depth 19 mi from Virginia City, MT
7/2/2019 - 1.3 mag, 5.9mi depth 19 mi from Virginia City, MT
5/30/2019 - 1.1 mag, -2.0mi depth 18 mi from Virginia City, MT
5/15/2019 - 0.7 mag, 3.9mi depth 14 mi from Virginia City, MT
2/14/2019 - 1.4 mag, 7.5mi depth 21 mi from Virginia City, MT
2/14/2019 - 1.2 mag, 11.0mi depth 21 mi from Virginia City, MT
1/31/2019 - 1.7 mag, 2.3mi depth 19 mi from Virginia City, MT
1/26/2019 - 1.1 mag, -0.3mi depth 18 mi from Virginia City, MT
12/20/2018 - 1.4 mag, -2.0mi depth 18 mi from Virginia City, MT
7/6/2018 - 3.1 mag, 2.7mi depth 8 mi from Virginia City, MT
6/21/2018 - 1.4 mag, 2.9mi depth 12 mi from Virginia City, MT
5/24/2018 - 1.5 mag, 5.6mi depth 17 mi from Virginia City, MT
1/2/2018 - 0.1 mag, 10.3mi depth 10 mi from Virginia City, MT
12/19/2017 - 1.6 mag, -2.0mi depth 18 mi from Virginia City, MT
11/16/2017 - 1.0 mag, -2.0mi depth 18 mi from Virginia City, MT
6/26/2017 - 1.5 mag, 3.5mi depth 18 mi from Virginia City, MT
4/17/2017 - 1.5 mag, 3.5mi depth 18 mi from Virginia City, MT
3/30/2017 - 2.7 mag, -3.4mi depth 24 mi from Virginia City, MT
1/19/2017 - 3.2 mag, -3.0mi depth 16 mi from Virginia City, MT
1/19/2017 - 0.5 mag, 5.9mi depth 16 mi from Virginia City, MT
1/19/2017 - 0.3 mag, 5.9mi depth 16 mi from Virginia City, MT
1/19/2017 - 2.2 mag, 12.1mi depth 16 mi from Virginia City, MT
1/9/2017 - 1.0 mag, 3.5mi depth 18 mi from Virginia City, MT
12/30/2016 - 1.1 mag, 5.0mi depth 17 mi from Virginia City, MT
12/29/2016 - 0.9 mag, 0.4mi depth 17 mi from Virginia City, MT
12/29/2016 - 0.7 mag, 0.8mi depth 17 mi from Virginia City, MT
9/7/2016 - 1.5 mag, 8.9mi depth 14 mi from Virginia City, MT
8/23/2016 - 1.7 mag, 2.0mi depth 17 mi from Virginia City, MT
4/26/2016 - 1.2 mag, 3.5mi depth 18 mi from Virginia City, MT
4/23/2016 - 1.7 mag, 5.1mi depth 20 mi from Virginia City, MT
4/19/2016 - 2.1 mag, 7.7mi depth 18 mi from Virginia City, MT
4/17/2016 - 3.2 mag, 0.0mi depth 18 mi from Virginia City, MT
4/15/2016 - 2.5 mag, 8.9mi depth 18 mi from Virginia City, MT
4/15/2016 - 2.7 mag, 2.9mi depth 18 mi from Virginia City, MT
4/15/2016 - 2.1 mag, 2.4mi depth 18 mi from Virginia City, MT
4/11/2016 - 0.9 mag, -2.0mi depth 23 mi from Virginia City, MT
3/28/2016 - 1.2 mag, 9.5mi depth 20 mi from Virginia City, MT
1/19/2016 - 1.5 mag, 3.6mi depth 18 mi from Virginia City, MT
12/28/2015 - 1.6 mag, 3.5mi depth 18 mi from Virginia City, MT
12/18/2015 - 1.1 mag, 7.6mi depth 19 mi from Virginia City, MT
7/18/2015 - 1.1 mag, 5.7mi depth 19 mi from Virginia City, MT
7/3/2015 - 1.7 mag, 0.0mi depth 34 mi from Virginia City, MT
6/10/2015 - 1.5 mag, 0.0mi depth 23 mi from Virginia City, MT
4/13/2015 - 2.4 mag, 2.8mi depth 21 mi from Virginia City, MT
11/30/2014 - 1.4 mag, 0.0mi depth 21 mi from Virginia City, MT
7/19/2014 - 1.3 mag, 0.0mi depth 29 mi from Virginia City, MT
7/8/2014 - 1.2 mag, 0.0mi depth 30 mi from Virginia City, MT
5/22/2014 - 1.4 mag, 0.1mi depth 27 mi from Virginia City, MT
5/2/2014 - 1.3 mag, 8.5mi depth 22 mi from Virginia City, MT
4/12/2014 - 1.0 mag, 12.1mi depth 2 mi from Alder, MT
4/6/2014 - 1.3 mag, 6.9mi depth 11 mi from Twin Bridges, MT
4/3/2014 - 1.1 mag, 15.6mi depth 27 mi from Virginia City, MT
3/29/2014 - 1.3 mag, 6.4mi depth 30 mi from Virginia City, MT

5/8/2007 - 4.4 mag, 13.5mi depth 5 mi from Alder, MT
6/18/2006 - 4.1 mag, 11.5mi depth 4 mi from Pony, MT
3/11/1980 - 4.0 mag, 5.0mi depth 10 mi from Harrison, MT
7/22/1987 - 4.0 mag, 3.8mi depth 12 mi from Harrison, MT
6/21/2006 - 3.9 mag, 11.0mi depth 4 mi from Pony, MT
9/24/1995 - 3.9 mag, 4.6mi depth 10 mi from Pony, MT
6/17/2006 - 3.8 mag, 11.2mi depth 4 mi from Pony, MT
1/14/1984 - 3.8 mag, 5.0mi depth 22 mi from Virginia City, MT
9/24/1995 - 3.7 mag, 4.1mi depth 10 mi from Pony, MT
4/22/2003 - 3.6 mag, 9.0mi depth 12 mi from Harrison, MT
5/27/1987 - 3.6 mag, 6.1mi depth 9 mi from Harrison, MT
3/17/1993 - 3.6 mag, 6.2mi depth 12 mi from Harrison, MT
5/30/1979 - 3.6 mag, 5.0mi depth 24 mi from Virginia City, MT
3/18/2005 - 3.6 mag, 10.5mi depth 21 mi from Virginia City, MT
7/21/1987 - 3.6 mag, 4.7mi depth 11 mi from Harrison, MT
9/7/2010 - 3.6 mag, 12.1mi depth 26 mi from Virginia City, MT
7/22/1987 - 3.5 mag, 7.3mi depth 11 mi from Harrison, MT
8/20/1987 - 3.5 mag, 5.4mi depth 13 mi from Harrison, MT
3/26/1984 - 3.5 mag, 5.0mi depth 24 mi from Virginia City, MT
6/21/2006 - 3.5 mag, 11.4mi depth 5 mi from Pony, MT
12/20/1984 - 3.5 mag, 5.0mi depth 22 mi from Virginia City, MT
9/24/1995 - 3.4 mag, 5.4mi depth 10 mi from Pony, MT
7/15/1987 - 3.4 mag, 3.1mi depth 11 mi from Harrison, MT
9/27/1995 - 3.4 mag, 5.3mi depth 10 mi from Pony, MT
1/31/2002 - 3.4 mag, 6.4mi depth 21 mi from Virginia City, MT
7/21/1987 - 3.4 mag, 2.0mi depth 10 mi from Harrison, MT
8/20/1987 - 3.4 mag, 5.6mi depth 13 mi from Harrison, MT
9/9/1995 - 3.4 mag, 5.0mi depth 25 mi from Virginia City, MT
8/7/1997 - 3.3 mag, 14.4mi depth 22 mi from Virginia City, MT
7/23/1987 - 3.3 mag, 4.6mi depth 12 mi from Harrison, MT
7/20/1980 - 3.3 mag, 5.0mi depth 4 mi from Pony, MT
2/16/1990 - 3.3 mag, 5.0mi depth 21 mi from Virginia City, MT
2/14/2009 - 3.3 mag, 11.9mi depth 9 mi from Pony, MT
1/19/2017 - 3.2 mag, -3.0mi depth 16 mi from Virginia City, MT
4/17/2016 - 3.2 mag, 0.0mi depth 18 mi from Virginia City, MT
7/22/1987 - 3.2 mag, 3.8mi depth 11 mi from Harrison, MT
7/26/2005 - 3.2 mag, 5.0mi depth 14 mi from Twin Bridges, MT
7/22/1987 - 3.2 mag, 4.1mi depth 10 mi from Harrison, MT
3/14/2009 - 3.2 mag, 11.3mi depth 12 mi from Pony, MT
7/21/1987 - 3.2 mag, 6.0mi depth 12 mi from Harrison, MT
7/22/1987 - 3.1 mag, 4.8mi depth 11 mi from Harrison, MT
9/29/2006 - 3.1 mag, 6.6mi depth 22 mi from Virginia City, MT
9/20/2003 - 3.1 mag, 1.0mi depth 15 mi from Virginia City, MT
7/22/1987 - 3.1 mag, 5.1mi depth 12 mi from Harrison, MT
9/24/1995 - 3.1 mag, 6.1mi depth 10 mi from Pony, MT
7/22/1987 - 3.1 mag, 3.7mi depth 12 mi from Harrison, MT
7/6/2018 - 3.1 mag, 2.7mi depth 8 mi from Virginia City, MT
7/22/1987 - 3.1 mag, 3.9mi depth 11 mi from Harrison, MT
11/3/2013 - 3.1 mag, 8.8mi depth 10 mi from Twin Bridges, MT
8/3/1987 - 3.1 mag, 3.1mi depth 12 mi from Harrison, MT
9/21/2013 - 3.1 mag, 14.1mi depth 4 mi from Twin Bridges, MT
4/16/1976 - 3.0 mag, 5.0mi depth 10 mi from Harrison, MT
9/9/2004 - 3.0 mag, 7.4mi depth 9 mi from Harrison, MT
11/5/2004 - 3.0 mag, 12.4mi depth 5 mi from Twin Bridges, MT
5/20/2007 - 3.0 mag, 14.3mi depth 5 mi from Sheridan, MT
12/27/2012 - 3.0 mag, 10.5mi depth 7 mi from Harrison, MT
7/15/1980 - 3.0 mag, 5.0mi depth 4 mi from Harrison, MT
8/20/1987 - 3.0 mag, 1.9mi depth 7 mi from Harrison, MT
12/12/2001 - 3.0 mag, 5.6mi depth 17 mi from Virginia City, MT
7/22/1987 - 3.0 mag, 3.8mi depth 12 mi from Harrison, MT
6/6/2006 - 3.0 mag, 12.6mi depth 22 mi from Virginia City, MT
7/20/1980 - 3.0 mag, 5.0mi depth 2 mi from Pony, MT
7/30/1987 - 3.0 mag, 4.3mi depth 12 mi from Harrison, MT
10/2/1990 - 3.0 mag, 6.8mi depth 4 mi from Pony, MT
11/6/1991 - 3.0 mag, 8.4mi depth 13 mi from Ennis, MT
4/7/1984 - 3.0 mag, 5.0mi depth 6 mi from Pony, MT
7/9/2023 - 3.0 mag, 9.3mi depth 13 mi from Ennis, MT
8/3/1987 - 3.0 mag, 3.3mi depth 12 mi from Harrison, MT
8/5/1976 - 2.9 mag, 5.0mi depth 10 mi from Twin Bridges, MT
3/23/2012 - 2.9 mag, 2.3mi depth 5 mi from Sheridan, MT
10/22/2007 - 2.9 mag, 13.3mi depth 5 mi from Sheridan, MT
8/23/1987 - 2.9 mag, 6.0mi depth 12 mi from Harrison, MT
1/22/2003 - 2.9 mag, 8.0mi depth 20 mi from Virginia City, MT
12/31/1992 - 2.9 mag, 7.1mi depth 11 mi from Harrison, MT
1/19/2022 - 2.9 mag, 11.7mi depth 16 mi from Virginia City, MT
3/17/1993 - 2.8 mag, 2.9mi depth 12 mi from Harrison, MT
8/8/1987 - 2.8 mag, 2.5mi depth 11 mi from Harrison, MT
6/14/2011 - 2.8 mag, 9.0mi depth 9 mi from Twin Bridges, MT
8/10/1987 - 2.8 mag, 3.8mi depth 12 mi from Harrison, MT
12/22/2012 - 2.8 mag, 9.4mi depth 6 mi from Harrison, MT
7/17/1987 - 2.8 mag, 6.3mi depth 9 mi from Harrison, MT
8/12/1987 - 2.8 mag, 4.1mi depth 11 mi from Harrison, MT
12/19/2020 - 2.8 mag, 16.6mi depth 9 mi from Twin Bridges, MT
6/27/2008 - 2.8 mag, 11.8mi depth 10 mi from Pony, MT
4/15/1993 - 2.8 mag, 6.4mi depth 12 mi from Harrison, MT
5/8/2002 - 2.8 mag, 9.6mi depth 12 mi from Virginia City, MT
7/21/1987 - 2.8 mag, 3.1mi depth 11 mi from Harrison, MT
6/24/2002 - 2.8 mag, 6.3mi depth 12 mi from Pony, MT
7/5/2002 - 2.8 mag, 3.9mi depth 13 mi from Harrison, MT
4/15/2016 - 2.7 mag, 2.9mi depth 18 mi from Virginia City, MT
5/14/2013 - 2.7 mag, 3.5mi depth 6 mi from Harrison, MT
7/17/1987 - 2.7 mag, 7.8mi depth 9 mi from Harrison, MT
7/28/1987 - 2.7 mag, 4.4mi depth 12 mi from Harrison, MT
3/30/2017 - 2.7 mag, -3.4mi depth 24 mi from Virginia City, MT
10/1/2021 - 2.7 mag, 5.0mi depth 5 mi from Pony, MT
7/30/1987 - 2.7 mag, 2.8mi depth 10 mi from Harrison, MT
12/29/1994 - 2.7 mag, 5.7mi depth 4 mi from Twin Bridges, MT
8/21/1987 - 2.7 mag, 4.7mi depth 11 mi from Harrison, MT
7/22/1987 - 2.7 mag, 4.3mi depth 11 mi from Harrison, MT
5/14/2013 - 2.7 mag, 9.5mi depth 7 mi from Harrison, MT

View All

Earthquake Probability for Madison County, MT

View the probability of a major earthquake within the next 50 years in Madison 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

83.79%

5.1

78.10%

5.2

78.10%

5.2

71.86%

5.3

65.35%

5.4

58.80%

5.5

52.41%

5.6

46.35%

5.7

40.73%

5.8

35.60%

5.9

31.00%

6.0

26.93%

6.1

22.88%

6.2

19.32%

6.3

15.97%

6.4

12.96%

6.5

10.43%

6.6

8.07%

6.7

6.00%

6.8

4.15%

6.9

2.71%

7.0

1.26%

7.1

1.05%

7.2

0.81%

7.3

0.60%

7.4

0.33%

7.5

0.16%

7.6

0.06%

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 Madison County, MT

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

List of Earthquake Incidents for Madison County, MT

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

Date

Magnitude

Depth

03/15/2024

1.7

5.0

Earthquake Information for Madison County, Montana

Earthquake Probability for Madison County, MT

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

Earthquake Count for Madison County, MT

List of Earthquake Incidents for Madison County, MT

Risk Of Natural Disasters In Madison County, MT

Related Pages

Montana Earthquakes by City