Earthquake Information for Harrison, Montana

Harrison, MT has a high earthquake risk, with a total of 561 earthquakes since 1931. The USGS database shows that there is a 78.31% chance of a major earthquake within 50km of Harrison, MT within the next 50 years. The largest earthquake within 30 miles of Harrison, MT was a 4.5 Magnitude in 1977.

Risk Level:
High

Total Number of Earthquakes in Harrison since 1931 within 30 miles

561

Probability of A 5.0 Earthquake within next 50 years

78.31%

Most Recent
Largest

4/25/2024 - 0.3 mag, 3.3mi depth 2.59193 mi from Pony, MT
4/23/2024 - 1.6 mag, -2.0mi depth 3.88412 mi from Logan, MT
4/8/2024 - 1.2 mag, 11.7mi depth 1.25665 mi from Willow Creek, MT
3/28/2024 - 0.5 mag, -2.0mi depth 7.63568 mi from Whitehall, MT
1/25/2024 - 0.8 mag, 3.2mi depth 12.5596 mi from Pony, MT
1/12/2024 - 3.3 mag, 11.9mi depth 10.7087 mi from Whitehall, MT
11/14/2023 - 2.6 mag, 2.3mi depth 2.82855 mi from Pony, MT
9/30/2023 - 1.1 mag, 4.2mi depth 3.32845 mi from Twin Bridges, MT
9/15/2023 - 1.5 mag, -2.0mi depth 7.70754 mi from Whitehall, MT
8/10/2023 - 2.0 mag, -2.0mi depth 2.86872 mi from Logan, 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
11/6/2022 - 1.3 mag, 5.0mi depth 11.279 mi from Radersburg, MT
6/17/2022 - 1.0 mag, 6.0mi depth 2.84698 mi from Manhattan, MT
3/24/2022 - 1.1 mag, 4.2mi depth 4.83994 mi from Ennis, MT
2/28/2022 - 1.0 mag, 4.0mi depth 12.3365 mi from Pony, MT
2/10/2022 - 1.2 mag, 1.0mi depth 5.49949 mi from Harrison, MT
12/22/2021 - 1.3 mag, 7.4mi depth 4.00601 mi from Harrison, MT
12/16/2021 - 2.3 mag, 7.8mi depth 2.6244 mi from Three Forks, MT
12/16/2021 - 2.3 mag, 5.6mi depth 4.1294 mi from Three Forks, MT
12/16/2021 - 3.1 mag, 1.7mi depth 3.63676 mi from Three Forks, MT
12/14/2021 - 2.0 mag, -3.2mi depth 2.59059 mi from Three Forks, MT
12/9/2021 - 1.4 mag, -2.0mi depth 3.43565 mi from Logan, MT
12/6/2021 - 1.7 mag, 4.2mi depth 2.21093 mi from Logan, MT
10/8/2021 - 1.9 mag, 3.8mi depth 6.4635 mi from Pony, MT
10/1/2021 - 2.7 mag, 5.0mi depth 5.0818 mi from Pony, MT
9/3/2021 - 1.6 mag, 9.6mi depth 6.32008 mi from Three Forks, MT
8/18/2021 - 0.9 mag, 2.4mi depth 14.4571 mi from Ennis, MT
8/9/2021 - 0.3 mag, -2.0mi depth 4.68783 mi from Logan, MT
7/28/2021 - 1.9 mag, 1.2mi depth 8.1295 mi from Ennis, MT
7/8/2021 - 1.6 mag, 5.3mi depth 9.42897 mi from Harrison, MT
4/20/2021 - 0.4 mag, 6.1mi depth 4.63013 mi from Whitehall, MT
4/15/2021 - 0.7 mag, 5.8mi depth 5.83503 mi from Ennis, MT
2/19/2021 - 0.7 mag, 6.0mi depth 1.46749 mi from Manhattan, MT
12/30/2020 - 1.5 mag, 4.5mi depth 13.8162 mi from Radersburg, MT
12/24/2020 - -0.4 mag, 2.1mi depth 11.1901 mi from Whitehall, MT
12/17/2020 - 1.3 mag, 6.6mi depth 3.76271 mi from Ponderosa Pines, MT
12/3/2020 - 2.0 mag, -2.0mi depth 2.72512 mi from Logan, MT
11/24/2020 - 0.8 mag, 5.9mi depth 1.77033 mi from Ponderosa Pines, MT
9/29/2020 - 1.2 mag, 1.3mi depth 5.51698 mi from Harrison, MT
9/28/2020 - 1.6 mag, 3.5mi depth 2.29758 mi from Manhattan, MT
8/19/2020 - 0.4 mag, -2.0mi depth 7.70183 mi from Whitehall, MT
7/19/2020 - 2.6 mag, 10.0mi depth 6.67366 mi from Willow Creek, MT
6/2/2020 - 0.3 mag, -2.0mi depth 7.20488 mi from Whitehall, MT
5/17/2020 - 1.4 mag, 0.4mi depth 21.1136 mi from Three Forks, MT
5/14/2020 - 0.4 mag, 7.7mi depth 16.6546 mi from Virginia City, MT
3/26/2020 - 0.6 mag, 5.9mi depth 11.166 mi from Whitehall, MT
3/24/2020 - 0.2 mag, 6.0mi depth 2.10534 mi from Manhattan, MT
3/17/2020 - 1.1 mag, 5.3mi depth 2.23998 mi from Manhattan, MT

8/27/1977 - 4.5 mag, 10.0mi depth 7.2505 mi from Wheatland, MT
5/8/2007 - 4.4 mag, 13.5mi depth 5.1041 mi from Alder, MT
7/16/1974 - 4.4 mag, 10.0mi depth 2.3532 mi from Manhattan, MT
10/28/1998 - 4.3 mag, 5.0mi depth 11.8017 mi from Whitehall, MT
8/15/2019 - 4.2 mag, 9.7mi depth 2.40117 mi from Manhattan, MT
8/5/2019 - 4.1 mag, 5.0mi depth 2.93459 mi from Manhattan, MT
6/18/2006 - 4.1 mag, 11.5mi depth 4.3076 mi from Pony, MT
8/7/1989 - 4.0 mag, 0.3mi depth 2.0235 mi from Gallatin River Ranch, MT
7/13/2019 - 4.0 mag, 6.0mi depth 2.74163 mi from Manhattan, MT
3/6/2009 - 4.0 mag, 11.7mi depth 11.7074 mi from Whitehall, MT
2/8/1975 - 4.0 mag, 5.0mi depth 3.4334 mi from Gallatin River Ranch, 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
1/11/2017 - 3.9 mag, 18.0mi depth 8.62823 mi from Three Forks, MT
9/24/1995 - 3.9 mag, 4.6mi depth 10.0878 mi from Pony, MT
8/24/1986 - 3.9 mag, 10.0mi depth 4.128 mi from Willow Creek, MT
6/21/2006 - 3.9 mag, 11.0mi depth 4.0745 mi from Pony, MT
2/21/2019 - 3.8 mag, 4.0mi depth 4.43834 mi from Manhattan, MT
1/30/1989 - 3.8 mag, 0.3mi depth 1.8238 mi from Wheatland, MT
6/17/2006 - 3.8 mag, 11.2mi depth 4.4998 mi from Pony, MT
4/5/1976 - 3.8 mag, 5.0mi depth 5.2284 mi from Radersburg, MT
9/24/1995 - 3.7 mag, 4.1mi depth 10.0167 mi from Pony, MT
2/16/1983 - 3.7 mag, 5.0mi depth 3.2844 mi from Wheatland, MT
7/23/2018 - 3.7 mag, 7.8mi depth 10.4663 mi from Whitehall, MT
8/25/1989 - 3.6 mag, 9.6mi depth 1.9557 mi from Gallatin River Ranch, MT
7/21/1987 - 3.6 mag, 4.7mi depth 11.3567 mi from Harrison, MT
3/17/1993 - 3.6 mag, 6.2mi depth 11.7518 mi from Harrison, MT
2/2/2002 - 3.6 mag, 6.3mi depth 9.8092 mi from Whitehall, MT
5/27/1987 - 3.6 mag, 6.1mi depth 9.257 mi from Harrison, MT
6/16/1989 - 3.6 mag, 1.3mi depth 2.6882 mi from Amsterdam, MT
4/22/2003 - 3.6 mag, 9.0mi depth 11.7352 mi from Harrison, MT
8/4/2019 - 3.6 mag, 5.0mi depth 1.83843 mi from Manhattan, MT
8/3/2019 - 3.5 mag, 12.8mi depth 2.82179 mi from Manhattan, 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
7/2/2018 - 3.5 mag, 7.7mi depth 10.3242 mi from Whitehall, MT
6/28/2004 - 3.5 mag, 14.1mi depth 3.6277 mi from Cardwell, MT
7/2/1993 - 3.5 mag, 5.1mi depth 2.3467 mi from Gallatin River Ranch, MT
6/21/2006 - 3.5 mag, 11.4mi depth 4.54 mi from Pony, MT
8/3/2019 - 3.5 mag, 5.0mi depth 1.30604 mi from Manhattan, MT
11/9/1977 - 3.4 mag, 5.0mi depth 8.742 mi from Radersburg, MT
9/27/1995 - 3.4 mag, 5.3mi depth 9.814 mi from Pony, MT
3/6/2009 - 3.4 mag, 9.7mi depth 12.0503 mi from Whitehall, MT
7/21/1987 - 3.4 mag, 2.0mi depth 10.2824 mi from Harrison, MT
4/16/2004 - 3.4 mag, 14.7mi depth 6.7984 mi from Radersburg, MT
11/3/1975 - 3.4 mag, 19.0mi depth 5.9152 mi from Three Forks, MT
7/15/1987 - 3.4 mag, 3.1mi depth 10.6131 mi from Harrison, MT
2/1/2002 - 3.4 mag, 3.8mi depth 10.4962 mi from Whitehall, MT
8/20/1987 - 3.4 mag, 5.6mi depth 12.5436 mi from Harrison, MT
9/24/1995 - 3.4 mag, 5.4mi depth 9.7534 mi from Pony, MT

View All

Earthquake Probability for Harrison, MT

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

78.31%

5.1

72.03%

5.2

72.03%

5.2

65.46%

5.3

58.82%

5.4

52.34%

5.5

46.17%

5.6

40.45%

5.7

35.22%

5.8

30.53%

5.9

26.37%

6.0

22.71%

6.1

19.11%

6.2

15.99%

6.3

13.17%

6.4

10.71%

6.5

8.58%

6.6

6.60%

6.7

4.88%

6.8

3.34%

6.9

2.08%

7.0

0.93%

7.1

0.84%

7.2

0.71%

7.3

0.57%

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 Harrison, MT

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

List of Earthquake Incidents for Harrison, MT

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

04/25/2024

0.3

3.3

2.59

Earthquake Information for Harrison, Montana

Earthquake Probability for Harrison, MT

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

Earthquake Count for Harrison, MT

List of Earthquake Incidents for Harrison, MT

Risk Of Natural Disasters In Harrison, MT

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