Earthquake Information for Alder, Montana

Alder, MT has a very high earthquake risk, with a total of 550 earthquakes since 1931. The USGS database shows that there is a 80.29% chance of a major earthquake within 50km of Alder, MT within the next 50 years. The largest earthquake within 30 miles of Alder, MT was a 5.6 Magnitude in 2005.

Risk Level:
Very High

Total Number of Earthquakes in Alder since 1931 within 30 miles

550

Probability of A 5.0 Earthquake within next 50 years

80.29%

Most Recent
Largest

4/25/2024 - 0.3 mag, 3.3mi depth 2.59193 mi from Pony, MT
4/25/2024 - 1.5 mag, -2.0mi depth 10.4155 mi from Dillon, MT
3/15/2024 - 1.7 mag, 5.0mi depth 21.1942 mi from Virginia City, MT
1/25/2024 - 0.8 mag, 3.2mi depth 12.5596 mi from Pony, MT
1/24/2024 - 1.2 mag, -2.0mi depth 18.2403 mi from Virginia City, MT
1/12/2024 - 3.3 mag, 11.9mi depth 10.7087 mi from Whitehall, MT
11/30/2023 - 0.8 mag, 9.9mi depth 22.2327 mi from Ennis, MT
11/18/2023 - 2.5 mag, 8.8mi depth 6.18976 mi from Dillon, MT
11/14/2023 - 2.6 mag, 2.3mi depth 2.82855 mi from Pony, MT
10/3/2023 - 1.4 mag, -2.0mi depth 18.2849 mi from Ennis, MT
9/30/2023 - 1.1 mag, 4.2mi depth 3.32845 mi from Twin Bridges, 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
5/24/2022 - 1.5 mag, -2.0mi depth 17.876 mi from Virginia City, MT
5/16/2022 - 1.3 mag, -2.0mi depth 10.5084 mi from Dillon, MT
5/12/2022 - 1.3 mag, 2.2mi depth 16.4327 mi from Ennis, MT
4/1/2022 - 0.7 mag, -2.0mi depth 3.42294 mi from Alder, MT
3/24/2022 - 1.1 mag, 4.2mi depth 4.83994 mi from Ennis, MT
3/4/2022 - 1.2 mag, 8.9mi depth 6.89096 mi from Dillon, MT
2/28/2022 - 1.0 mag, 4.0mi depth 12.3365 mi from Pony, MT
2/25/2022 - 1.1 mag, -2.0mi depth 4.56868 mi from Virginia City, MT
2/10/2022 - 1.2 mag, 1.0mi depth 5.49949 mi from Harrison, MT
1/19/2022 - 2.9 mag, 11.7mi depth 16.2221 mi from Virginia City, MT
1/19/2022 - 1.4 mag, 11.7mi depth 16.4928 mi from Virginia City, MT
12/28/2021 - 2.2 mag, 8.3mi depth 11.019 mi from Dillon, MT
10/21/2021 - 1.1 mag, -2.0mi depth 17.4984 mi from Virginia City, 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
9/9/2021 - 1.4 mag, -2.0mi depth 10.4368 mi from Dillon, MT
8/31/2021 - 1.0 mag, -2.0mi depth 18.6521 mi from Virginia City, MT
8/18/2021 - 0.9 mag, 2.4mi depth 14.4571 mi from Ennis, MT
8/4/2021 - 1.2 mag, -2.0mi depth 11.6936 mi from Alder, MT
8/3/2021 - 1.3 mag, -2.0mi depth 16.5591 mi from Ennis, MT
7/28/2021 - 1.9 mag, 1.2mi depth 8.1295 mi from Ennis, MT
5/27/2021 - 1.1 mag, -2.0mi depth 11.0579 mi from Dillon, MT
5/25/2021 - 1.4 mag, -2.0mi depth 10.6535 mi from Dillon, MT
5/14/2021 - 1.7 mag, -2.0mi depth 10.4955 mi from Dillon, MT
5/11/2021 - 1.2 mag, -2.0mi depth 18.2403 mi from Virginia City, MT
5/7/2021 - 1.5 mag, 10.9mi depth 1.79989 mi from Alder, MT
4/22/2021 - 1.5 mag, -2.0mi depth 10.3617 mi from Dillon, MT
4/15/2021 - 0.7 mag, 5.8mi depth 5.83503 mi from Ennis, MT
3/2/2021 - 1.2 mag, -2.0mi depth 10.1924 mi from Dillon, MT
2/17/2021 - 1.2 mag, -2.0mi depth 10.5891 mi from Dillon, MT
2/11/2021 - 1.2 mag, -2.0mi depth 16.7001 mi from Ennis, MT
2/8/2021 - 1.2 mag, -2.0mi depth 18.2403 mi from Virginia City, MT
12/24/2020 - -0.4 mag, 2.1mi depth 11.1901 mi from Whitehall, MT
12/22/2020 - 1.4 mag, -2.0mi depth 10.3385 mi from Dillon, MT
12/19/2020 - 2.8 mag, 16.6mi depth 8.71989 mi from Twin Bridges, MT
12/18/2020 - 1.3 mag, -2.0mi depth 9.88857 mi from Dillon, MT
12/8/2020 - 0.9 mag, 6.0mi depth 15.5573 mi from Dillon, MT

7/26/2005 - 5.6 mag, 12.9mi depth 10.2609 mi from Dillon, MT
5/8/2007 - 4.4 mag, 13.5mi depth 5.1041 mi from Alder, MT
10/28/1998 - 4.3 mag, 5.0mi depth 11.8017 mi from Whitehall, MT
6/18/2006 - 4.1 mag, 11.5mi depth 4.3076 mi from Pony, MT
1/18/2006 - 4.0 mag, 8.7mi depth 11.5743 mi from Dillon, MT
7/27/2005 - 4.0 mag, 5.0mi depth 11.3701 mi from Dillon, 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
3/6/2009 - 4.0 mag, 11.7mi depth 11.7074 mi from Whitehall, MT
9/24/1995 - 3.9 mag, 4.6mi depth 10.0878 mi from Pony, MT
6/21/2006 - 3.9 mag, 11.0mi depth 4.0745 mi from Pony, MT
6/17/2006 - 3.8 mag, 11.2mi depth 4.4998 mi from Pony, MT
7/26/2005 - 3.8 mag, 5.0mi depth 13.2822 mi from Dillon, MT
6/4/2006 - 3.8 mag, 11.3mi depth 11.3772 mi from Dillon, MT
1/14/1984 - 3.8 mag, 5.0mi depth 21.5639 mi from Virginia City, MT
9/24/1995 - 3.7 mag, 4.1mi depth 10.0167 mi from Pony, MT
3/29/2007 - 3.7 mag, 13.4mi depth 8.8913 mi from Dillon, MT
7/23/2018 - 3.7 mag, 7.8mi depth 10.4663 mi from Whitehall, MT
1/26/1997 - 3.6 mag, 7.4mi depth 6.8702 mi from Dillon, MT
5/30/1979 - 3.6 mag, 5.0mi depth 24.3631 mi from Virginia City, MT
3/17/1993 - 3.6 mag, 6.2mi depth 11.7518 mi from Harrison, MT
7/28/2014 - 3.6 mag, 6.8mi depth 8.2764 mi from Dillon, MT
5/27/1987 - 3.6 mag, 6.1mi depth 9.257 mi from Harrison, MT
3/18/2005 - 3.6 mag, 10.5mi depth 20.6035 mi from Virginia City, MT
7/21/1987 - 3.6 mag, 4.7mi depth 11.3567 mi from Harrison, MT
2/2/2002 - 3.6 mag, 6.3mi depth 9.8092 mi from Whitehall, MT
8/7/2005 - 3.6 mag, 5.0mi depth 11.6509 mi from Dillon, MT
7/29/2005 - 3.5 mag, 5.0mi depth 13.5307 mi from Dillon, MT
7/26/2005 - 3.5 mag, 5.0mi depth 12.6273 mi from Dillon, MT
3/31/1976 - 3.5 mag, 5.0mi depth 15.4034 mi from Dillon, MT
6/7/2006 - 3.5 mag, 11.5mi depth 11.3772 mi from Dillon, MT
8/2/2005 - 3.5 mag, 5.0mi depth 11.8486 mi from Dillon, MT
7/22/1987 - 3.5 mag, 7.3mi depth 10.5456 mi from Harrison, MT
3/31/1976 - 3.5 mag, 1.0mi depth 14.2967 mi from Dillon, MT
8/20/1987 - 3.5 mag, 5.4mi depth 12.7364 mi from Harrison, MT
3/26/1984 - 3.5 mag, 5.0mi depth 23.8663 mi from Virginia City, MT
9/5/2012 - 3.5 mag, 12.2mi depth 13.4949 mi from Dillon, MT
11/30/2005 - 3.5 mag, 5.0mi depth 10.0122 mi from Dillon, MT
7/28/2005 - 3.5 mag, 5.0mi depth 10.7408 mi from Dillon, MT
12/20/1984 - 3.5 mag, 5.0mi depth 21.5854 mi from Virginia City, MT
6/21/2006 - 3.5 mag, 11.4mi depth 4.54 mi from Pony, MT
7/2/2018 - 3.5 mag, 7.7mi depth 10.3242 mi from Whitehall, MT
9/24/1995 - 3.4 mag, 5.4mi depth 9.7534 mi from Pony, MT
2/1/2002 - 3.4 mag, 3.8mi depth 10.4962 mi from Whitehall, MT
2/10/2006 - 3.4 mag, 10.8mi depth 7.1425 mi from Dillon, MT
9/27/1995 - 3.4 mag, 5.3mi depth 9.814 mi from Pony, MT
8/11/2016 - 3.4 mag, 8.8mi depth 10.9144 mi from Whitehall, MT
7/15/1987 - 3.4 mag, 3.1mi depth 10.6131 mi from Harrison, MT
7/26/2005 - 3.4 mag, 14.0mi depth 9.4305 mi from Dillon, MT
8/20/1987 - 3.4 mag, 5.6mi depth 12.5436 mi from Harrison, MT

View All

Earthquake Probability for Alder, MT

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

80.29%

5.1

74.22%

5.2

74.22%

5.2

67.77%

5.3

61.19%

5.4

54.71%

5.5

48.50%

5.6

42.70%

5.7

37.37%

5.8

32.57%

5.9

28.29%

6.0

24.53%

6.1

20.75%

6.2

17.43%

6.3

14.43%

6.4

11.73%

6.5

9.41%

6.6

7.26%

6.7

5.45%

6.8

3.79%

6.9

2.49%

7.0

1.22%

7.1

1.03%

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 Alder, MT

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

List of Earthquake Incidents for Alder, MT

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

04/25/2024

1.5

-2.0

10.42

Earthquake Information for Alder, Montana

Earthquake Probability for Alder, MT

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

Earthquake Count for Alder, MT

List of Earthquake Incidents for Alder, MT

Risk Of Natural Disasters In Alder, MT

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