Earthquake Information for Lewis And Clark County, Montana

Lewis And Clark County, MT has a high earthquake risk, with a total of 102 earthquakes since 1931. The USGS database shows that there is a 39.32% chance of a major earthquake within 50km of Lewis And Clark County, MT within the next 50 years. The largest earthquake within 30 miles of Lewis And Clark County, MT was a 5.8 Magnitude in 2017.

Risk Level:
High

Total Number of Earthquakes in Lewis And Clark County since 1931

102

Probability of A 5.0 Earthquake within next 50 years

39.32%

Most Recent
Largest

4/15/2024 - 1.0 mag, 9.7mi depth 8 mi from Lincoln, MT
4/8/2024 - 1.7 mag, 6.7mi depth 9 mi from Lincoln, MT
3/29/2024 - 0.9 mag, 12.2mi depth 9 mi from Lincoln, MT
2/29/2024 - 1.5 mag, 13.4mi depth 8 mi from Lincoln, MT
2/12/2024 - 2.5 mag, 9.0mi depth 15 mi from Lincoln, MT
1/30/2024 - 1.2 mag, 12.0mi depth 8 mi from Lincoln, MT
1/30/2024 - 2.0 mag, 2.9mi depth 7 mi from Lincoln, MT
1/26/2024 - 0.4 mag, 10.4mi depth 4 mi from Marysville, MT
8/3/2023 - 1.4 mag, 10.5mi depth 7 mi from Lincoln, MT
8/1/2023 - 0.8 mag, 11.4mi depth 5 mi from Lincoln, MT
8/1/2023 - 0.7 mag, 10.9mi depth 5 mi from Lincoln, MT
6/12/2023 - 0.8 mag, 11.8mi depth 8 mi from Lincoln, MT
10/27/2022 - 1.7 mag, 10.0mi depth 6 mi from Lincoln, MT
7/1/2022 - 1.2 mag, 15.0mi depth 9 mi from Lincoln, MT
6/28/2022 - 0.4 mag, 10.2mi depth 8 mi from Lincoln, MT
5/26/2022 - 0.2 mag, 8.4mi depth 3 mi from Marysville, MT
4/25/2022 - 0.6 mag, 10.6mi depth 8 mi from Lincoln, MT
4/17/2022 - 2.7 mag, 10.0mi depth 24 mi from Augusta, MT
4/8/2022 - 1.9 mag, 10.1mi depth 8 mi from Lincoln, MT
3/13/2022 - 2.8 mag, 9.1mi depth 6 mi from Lincoln, MT
3/11/2022 - 3.3 mag, 10.9mi depth 6 mi from Lincoln, MT
3/11/2022 - 3.2 mag, 11.2mi depth 4 mi from Lincoln, MT
2/27/2022 - 1.3 mag, 12.4mi depth 8 mi from Lincoln, MT
2/14/2022 - 1.8 mag, 21.2mi depth 16 mi from Augusta, MT
12/15/2021 - 1.0 mag, 11.8mi depth 8 mi from Lincoln, MT
10/8/2021 - 1.2 mag, 13.5mi depth 8 mi from Lincoln, MT
10/5/2021 - 1.2 mag, 10.3mi depth 9 mi from Lincoln, MT
10/4/2021 - 1.5 mag, 12.8mi depth 9 mi from Lincoln, MT
9/13/2021 - 1.1 mag, 10.5mi depth 9 mi from Lincoln, MT
9/2/2021 - 1.6 mag, 16.2mi depth 8 mi from Lincoln, MT
8/30/2021 - 0.6 mag, 12.8mi depth 9 mi from Lincoln, MT
8/13/2021 - 2.5 mag, 13.7mi depth 8 mi from Lincoln, MT
8/10/2021 - 1.6 mag, 13.7mi depth 9 mi from Lincoln, MT
8/3/2021 - -0.5 mag, 7.1mi depth 8 mi from Lincoln, MT
8/2/2021 - 1.7 mag, 15.1mi depth 6 mi from Lincoln, MT
7/6/2021 - 1.7 mag, 12.1mi depth 10 mi from Marysville, MT
6/26/2021 - 1.4 mag, 11.6mi depth 8 mi from Lincoln, MT
6/18/2021 - 2.0 mag, 15.3mi depth 17 mi from Augusta, MT
6/9/2021 - 0.5 mag, 15.3mi depth 8 mi from Lincoln, MT
5/18/2021 - 3.0 mag, 10.0mi depth 9 mi from Lincoln, MT
5/13/2021 - 0.5 mag, 2.5mi depth 10 mi from Lincoln, MT
5/8/2021 - 1.8 mag, 3.6mi depth 14 mi from Craig, MT
5/3/2021 - 1.0 mag, 10.8mi depth 9 mi from Lincoln, MT
3/24/2021 - 3.1 mag, 4.8mi depth 9 mi from Marysville, MT
3/23/2021 - 0.9 mag, 10.1mi depth 8 mi from Lincoln, MT
3/22/2021 - 1.2 mag, 11.8mi depth 8 mi from Lincoln, MT
3/21/2021 - 1.2 mag, 12.2mi depth 8 mi from Lincoln, MT
1/27/2021 - 0.1 mag, 12.4mi depth 10 mi from Lincoln, MT
1/26/2021 - 1.0 mag, 12.5mi depth 10 mi from Lincoln, MT
1/25/2021 - -0.4 mag, 10.5mi depth 10 mi from Lincoln, MT
1/17/2021 - 1.1 mag, 13.4mi depth 10 mi from Lincoln, MT
1/13/2021 - 1.4 mag, 10.2mi depth 10 mi from Lincoln, MT
12/21/2020 - 1.1 mag, 12.7mi depth 9 mi from Lincoln, MT
12/8/2020 - 1.8 mag, 15.7mi depth 9 mi from Lincoln, MT
12/1/2020 - 1.1 mag, 12.3mi depth 8 mi from Lincoln, MT
11/28/2020 - 0.9 mag, 16.1mi depth 11 mi from Marysville, MT
11/21/2020 - 1.1 mag, 8.6mi depth 9 mi from Lincoln, MT
11/15/2020 - 0.3 mag, 13.7mi depth 10 mi from Lincoln, MT
10/30/2020 - 1.5 mag, 10.6mi depth 9 mi from Lincoln, MT
10/28/2020 - 1.4 mag, 12.3mi depth 9 mi from Lincoln, MT
8/21/2020 - 0.1 mag, 9.7mi depth 9 mi from Lincoln, MT
8/18/2020 - 1.2 mag, 12.5mi depth 8 mi from Lincoln, MT
8/17/2020 - 1.0 mag, 11.1mi depth 9 mi from Lincoln, MT
8/10/2020 - 1.1 mag, 12.2mi depth 9 mi from Lincoln, MT
8/9/2020 - 1.5 mag, 10.3mi depth 8 mi from Lincoln, MT
6/1/2020 - 2.3 mag, 17.9mi depth 19 mi from Augusta, MT
5/30/2020 - 2.0 mag, 14.0mi depth 9 mi from Lincoln, MT
5/19/2020 - 1.4 mag, 12.1mi depth 8 mi from Lincoln, MT
5/8/2020 - 1.5 mag, 14.2mi depth 9 mi from Lincoln, MT
4/20/2020 - 1.1 mag, 14.2mi depth 9 mi from Lincoln, MT
4/16/2020 - 1.1 mag, 12.7mi depth 8 mi from Lincoln, MT
4/4/2020 - 0.9 mag, -3.3mi depth 21 mi from Lincoln, MT
3/30/2020 - 1.3 mag, 7.2mi depth 8 mi from Lincoln, MT
3/3/2020 - 2.0 mag, 13.6mi depth 9 mi from Lincoln, MT
2/28/2020 - 1.9 mag, 4.4mi depth 25 mi from Helena Valley Southeast, MT
2/26/2020 - 1.6 mag, 15.2mi depth 8 mi from Lincoln, MT
2/4/2020 - 2.0 mag, 14.6mi depth 11 mi from Lincoln, MT
2/3/2020 - 2.1 mag, 9.7mi depth 12 mi from Lincoln, MT
1/30/2020 - 3.3 mag, 5.0mi depth 7 mi from Helena Valley Northwest, MT
1/21/2020 - 0.1 mag, 10.2mi depth 9 mi from Lincoln, MT
1/17/2020 - 1.5 mag, 14.7mi depth 5 mi from Lincoln, MT
1/13/2020 - 0.8 mag, 12.1mi depth 7 mi from Lincoln, MT
1/6/2020 - 1.4 mag, 13.2mi depth 7 mi from Lincoln, MT
12/17/2019 - 0.6 mag, 12.6mi depth 8 mi from Lincoln, MT
12/17/2019 - 1.6 mag, -3.0mi depth 15 mi from Helena Valley Northwest, MT
11/25/2019 - 1.3 mag, 5.5mi depth 9 mi from Lincoln, MT
11/14/2019 - 1.1 mag, 11.0mi depth 8 mi from Lincoln, MT
10/30/2019 - 2.7 mag, 13.0mi depth 8 mi from Lincoln, MT
10/16/2019 - 1.4 mag, 12.4mi depth 15 mi from Lincoln, MT
9/14/2019 - 1.1 mag, 13.7mi depth 8 mi from Lincoln, MT
8/25/2019 - 1.6 mag, 13.5mi depth 9 mi from Lincoln, MT
8/15/2019 - 1.1 mag, 14.8mi depth 9 mi from Lincoln, MT
6/30/2019 - 2.7 mag, 11.1mi depth 7 mi from Lincoln, MT
6/19/2019 - 2.2 mag, 12.5mi depth 6 mi from Lincoln, MT
6/14/2019 - 2.3 mag, 8.6mi depth 11 mi from Lincoln, MT
6/13/2019 - 1.3 mag, 11.3mi depth 7 mi from Lincoln, MT
6/11/2019 - 1.5 mag, 15.5mi depth 10 mi from Lincoln, MT
6/8/2019 - 1.5 mag, 11.9mi depth 9 mi from Lincoln, MT
5/31/2019 - 2.0 mag, 12.8mi depth 8 mi from Lincoln, MT
5/20/2019 - 0.9 mag, 10.0mi depth 16 mi from Lincoln, MT

7/5/2017 - 5.8 mag, 4.3mi depth 5 mi from Lincoln, MT
7/6/2017 - 4.5 mag, 10.9mi depth 8 mi from Lincoln, MT
7/6/2017 - 4.4 mag, 9.2mi depth 7 mi from Lincoln, MT
10/19/2017 - 4.2 mag, 5.3mi depth 4 mi from Lincoln, MT
3/17/1983 - 4.2 mag, 5.0mi depth 15 mi from Augusta, MT
7/8/2017 - 4.1 mag, 8.9mi depth 8 mi from Lincoln, MT
7/17/2017 - 4.0 mag, 11.6mi depth 8 mi from Lincoln, MT
7/18/1975 - 3.9 mag, 5.0mi depth 3 mi from Helena Valley Northwest, MT
7/6/2017 - 3.9 mag, 9.2mi depth 7 mi from Lincoln, MT
2/3/2019 - 3.9 mag, 5.0mi depth 9 mi from Lincoln, MT
10/14/2017 - 3.9 mag, 8.9mi depth 8 mi from Lincoln, MT
7/6/2017 - 3.9 mag, 10.8mi depth 13 mi from Lincoln, MT
4/1/1993 - 3.9 mag, 5.0mi depth 9 mi from Lincoln, MT
2/13/1976 - 3.8 mag, 1.0mi depth 4 mi from Helena Valley Northwest, MT
7/6/2017 - 3.8 mag, 11.1mi depth 9 mi from Lincoln, MT
7/12/2017 - 3.7 mag, 10.6mi depth 9 mi from Lincoln, MT
1/16/2011 - 3.7 mag, 15.2mi depth 6 mi from Marysville, MT
9/27/2014 - 3.7 mag, 5.0mi depth 9 mi from Lincoln, MT
10/23/1982 - 3.6 mag, 5.0mi depth 14 mi from Lincoln, MT
8/20/2017 - 3.6 mag, 11.3mi depth 5 mi from Lincoln, MT
1/7/2018 - 3.6 mag, 10.9mi depth 7 mi from Lincoln, MT
2/3/2019 - 3.6 mag, 14.7mi depth 4 mi from Lincoln, MT
7/6/2017 - 3.6 mag, 11.1mi depth 8 mi from Lincoln, MT
3/12/1982 - 3.6 mag, 5.0mi depth 9 mi from Lincoln, MT
7/8/2017 - 3.5 mag, 8.6mi depth 7 mi from Lincoln, MT
7/19/1975 - 3.5 mag, 5.0mi depth 3 mi from Helena Valley West Central, MT
4/23/2014 - 3.5 mag, 23.5mi depth 5 mi from Lincoln, MT
7/28/1976 - 3.5 mag, 5.0mi depth 16 mi from Augusta, MT
5/4/1979 - 3.5 mag, 5.0mi depth 11 mi from Lincoln, MT
10/14/2014 - 3.4 mag, 5.0mi depth 6 mi from Lincoln, MT
5/25/1987 - 3.4 mag, 5.0mi depth 16 mi from Lincoln, MT
11/7/2017 - 3.4 mag, 10.8mi depth 8 mi from Lincoln, MT
12/27/2017 - 3.4 mag, 10.7mi depth 8 mi from Lincoln, MT
3/21/1997 - 3.4 mag, 15.6mi depth 11 mi from Lincoln, MT
10/3/2015 - 3.4 mag, 4.3mi depth 5 mi from Helena Valley Northwest, MT
3/21/2019 - 3.4 mag, 11.2mi depth 23 mi from Lincoln, MT
10/14/2017 - 3.4 mag, 3.0mi depth 6 mi from Lincoln, MT
8/11/1992 - 3.4 mag, 5.0mi depth 17 mi from Augusta, MT
11/22/2017 - 3.4 mag, 8.1mi depth 12 mi from Lincoln, MT
2/18/1993 - 3.4 mag, 5.0mi depth 9 mi from Lincoln, MT
2/17/1988 - 3.3 mag, 5.0mi depth 18 mi from Augusta, MT
10/5/1988 - 3.3 mag, 10.0mi depth 21 mi from Augusta, MT
1/30/2020 - 3.3 mag, 5.0mi depth 7 mi from Helena Valley Northwest, MT
7/13/2017 - 3.3 mag, 14.1mi depth 8 mi from Lincoln, MT
7/10/2017 - 3.3 mag, 9.2mi depth 9 mi from Lincoln, MT
3/11/2022 - 3.3 mag, 10.9mi depth 6 mi from Lincoln, MT
10/31/1995 - 3.2 mag, 10.6mi depth 8 mi from Marysville, MT
7/9/2017 - 3.2 mag, 15.7mi depth 8 mi from Lincoln, MT
7/25/2017 - 3.2 mag, 10.0mi depth 7 mi from Lincoln, MT
2/25/1989 - 3.2 mag, 5.0mi depth 10 mi from Lincoln, MT
9/4/1977 - 3.2 mag, 5.0mi depth 1 mi from Helena West Side, MT
9/13/2017 - 3.2 mag, 10.6mi depth 7 mi from Lincoln, MT
6/16/1999 - 3.2 mag, 3.9mi depth 10 mi from Craig, MT
3/11/2022 - 3.2 mag, 11.2mi depth 4 mi from Lincoln, MT
9/6/2017 - 3.1 mag, 16.0mi depth 8 mi from Lincoln, MT
7/18/1975 - 3.1 mag, 5.0mi depth 4 mi from Helena Valley West Central, MT
10/9/2017 - 3.1 mag, 12.0mi depth 8 mi from Lincoln, MT
9/10/2017 - 3.1 mag, 12.7mi depth 9 mi from Lincoln, MT
3/24/2021 - 3.1 mag, 4.8mi depth 9 mi from Marysville, MT
2/3/1993 - 3.1 mag, 23.0mi depth 9 mi from Marysville, MT
11/4/2004 - 3.0 mag, 27.9mi depth 16 mi from Augusta, MT
5/18/2021 - 3.0 mag, 10.0mi depth 9 mi from Lincoln, MT
7/8/2017 - 3.0 mag, 10.0mi depth 7 mi from Lincoln, MT
4/18/2009 - 3.0 mag, 21.8mi depth 7 mi from Marysville, MT
1/6/2014 - 3.0 mag, 27.1mi depth 35 mi from Lincoln, MT
6/20/2016 - 3.0 mag, -2.8mi depth 8 mi from Helena West Side, MT
8/11/2017 - 3.0 mag, 13.1mi depth 5 mi from Lincoln, MT
6/18/2015 - 3.0 mag, 10.6mi depth 8 mi from Helena Valley Northwest, MT
12/19/1994 - 2.9 mag, 6.3mi depth 2 mi from Marysville, MT
4/19/2018 - 2.9 mag, 9.3mi depth 7 mi from Lincoln, MT
5/31/2007 - 2.9 mag, 5.3mi depth 12 mi from Lincoln, MT
4/11/2015 - 2.9 mag, 18.3mi depth 19 mi from Lincoln, MT
7/13/2017 - 2.9 mag, 13.9mi depth 4 mi from Lincoln, MT
3/22/2003 - 2.9 mag, 10.3mi depth 3 mi from Helena Valley West Central, MT
2/3/2019 - 2.9 mag, 14.2mi depth 5 mi from Lincoln, MT
9/13/2012 - 2.9 mag, 9.1mi depth 8 mi from Helena Valley Northeast, MT
3/13/2022 - 2.8 mag, 9.1mi depth 6 mi from Lincoln, MT
3/2/2006 - 2.8 mag, 14.9mi depth 5 mi from Lincoln, MT
1/5/2010 - 2.8 mag, 11.6mi depth 4 mi from Helena Valley Northwest, MT
4/11/2010 - 2.8 mag, 17.8mi depth 20 mi from Helena Valley Northeast, MT
12/2/2010 - 2.8 mag, 14.3mi depth 6 mi from Marysville, MT
2/3/2019 - 2.8 mag, 14.6mi depth 5 mi from Lincoln, MT
6/4/2003 - 2.8 mag, 16.2mi depth 6 mi from Marysville, MT
6/30/2019 - 2.7 mag, 11.1mi depth 7 mi from Lincoln, MT
9/11/1995 - 2.7 mag, 4.7mi depth 1 mi from Helena, MT
4/17/2022 - 2.7 mag, 10.0mi depth 24 mi from Augusta, MT
9/27/2017 - 2.7 mag, 12.4mi depth 9 mi from Lincoln, MT
2/10/2015 - 2.7 mag, 3.2mi depth 3 mi from Helena Valley West Central, MT
11/15/1998 - 2.7 mag, 0.7mi depth 2 mi from Helena Valley Northwest, MT
10/30/2019 - 2.7 mag, 13.0mi depth 8 mi from Lincoln, MT
10/7/1978 - 2.7 mag, 5.0mi depth 1 mi from Helena West Side, MT
9/23/2018 - 2.7 mag, 9.7mi depth 10 mi from Lincoln, MT
2/20/1982 - 2.7 mag, 5.0mi depth 3 mi from Helena West Side, MT
10/1/2017 - 2.7 mag, 10.6mi depth 10 mi from Lincoln, MT
7/13/2017 - 2.7 mag, 9.9mi depth 5 mi from Lincoln, MT
12/14/2017 - 2.7 mag, 10.6mi depth 8 mi from Lincoln, MT
6/15/2018 - 2.7 mag, 14.8mi depth 8 mi from Lincoln, MT
9/17/2015 - 2.6 mag, 2.6mi depth 3 mi from Helena Valley Northeast, MT
3/20/2019 - 2.6 mag, 14.8mi depth 13 mi from Lincoln, MT
11/22/2017 - 2.6 mag, 8.6mi depth 12 mi from Lincoln, MT

View All

Earthquake Probability for Lewis And Clark County, MT

View the probability of a major earthquake within the next 50 years in Lewis And Clark 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

39.32%

5.1

34.06%

5.2

34.06%

5.2

29.36%

5.3

25.18%

5.4

21.51%

5.5

18.32%

5.6

15.58%

5.7

13.22%

5.8

11.22%

5.9

9.51%

6.0

8.07%

6.1

6.64%

6.2

5.43%

6.3

4.38%

6.4

3.48%

6.5

2.70%

6.6

1.98%

6.7

1.38%

6.8

0.85%

6.9

0.41%

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 Lewis And Clark County, MT

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

List of Earthquake Incidents for Lewis And Clark County, MT

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

Date

Magnitude

Depth

04/15/2024

1.0

9.7

Earthquake Information for Lewis And Clark County, Montana

Earthquake Probability for Lewis And Clark County, MT

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

Earthquake Count for Lewis And Clark County, MT

List of Earthquake Incidents for Lewis And Clark County, MT

Risk Of Natural Disasters In Lewis and Clark County, MT

Related Pages

Montana Earthquakes by City