Earthquake Information for Afton, Wyoming

Afton, WY has a very high earthquake risk, with a total of 660 earthquakes since 1931. The USGS database shows that there is a 88.94% chance of a major earthquake within 50km of Afton, WY within the next 50 years. The largest earthquake within 30 miles of Afton, WY was a 5.6 Magnitude in 1994.

Risk Level:
Very High

Total Number of Earthquakes in Afton since 1931 within 30 miles

660

Probability of A 5.0 Earthquake within next 50 years

88.94%

Most Recent
Largest

10/26/2023 - 2.9 mag, 4.8mi depth 10.8935 mi from Star Valley Ranch, WY
10/26/2023 - 2.0 mag, 8.1mi depth 12.1947 mi from Star Valley Ranch, WY
8/15/2023 - 2.9 mag, 1.9mi depth 5.36076 mi from Thayne, WY
6/18/2023 - 2.7 mag, 5.0mi depth 7.16892 mi from Star Valley Ranch, WY
6/16/2023 - 2.2 mag, 3.4mi depth 7.29166 mi from Star Valley Ranch, WY
6/6/2023 - 2.3 mag, 4.9mi depth 9.30573 mi from Afton, WY
5/1/2023 - 2.3 mag, 9.5mi depth 7.25531 mi from Georgetown, ID
2/23/2023 - 1.9 mag, 5.0mi depth 10.8431 mi from Freedom, WY
2/14/2023 - 1.5 mag, 6.0mi depth 9.16216 mi from Georgetown, ID
2/14/2023 - 1.4 mag, 6.0mi depth 8.42908 mi from Soda Springs, ID
8/8/2022 - 2.6 mag, 5.0mi depth 6.78524 mi from Soda Springs, ID
6/23/2022 - 1.7 mag, 6.0mi depth 6.12154 mi from Georgetown, ID
6/21/2022 - 2.7 mag, 10.3mi depth 7.3821 mi from Soda Springs, ID
4/18/2022 - 1.7 mag, 3.1mi depth 2.24058 mi from Georgetown, ID
4/18/2022 - 1.6 mag, 0.0mi depth 1.99191 mi from Georgetown, ID
4/18/2022 - 1.4 mag, 15.5mi depth 4.18248 mi from Georgetown, ID
10/20/2021 - 2.9 mag, 5.0mi depth 9.27062 mi from Georgetown, ID
10/20/2021 - 3.4 mag, 5.0mi depth 9.50188 mi from Georgetown, ID
1/22/2021 - 2.9 mag, 10.5mi depth 7.92065 mi from Georgetown, ID
1/20/2021 - 1.6 mag, 5.0mi depth 6.53595 mi from Georgetown, ID
1/2/2021 - 4.2 mag, 5.1mi depth 7.24188 mi from Georgetown, ID
11/22/2020 - 3.5 mag, 6.5mi depth 7.80067 mi from Soda Springs, ID
11/22/2020 - 2.9 mag, 3.3mi depth 8.27789 mi from Georgetown, ID
6/2/2020 - 3.1 mag, 4.5mi depth 13.9214 mi from Auburn, WY
5/21/2020 - 2.6 mag, 10.0mi depth 9.83535 mi from Soda Springs, ID
5/10/2020 - 2.9 mag, 10.0mi depth 6.58431 mi from Soda Springs, ID
4/24/2020 - 2.7 mag, 1.0mi depth 7.04624 mi from Soda Springs, ID
4/18/2020 - 1.7 mag, 6.0mi depth 15.3224 mi from Hoback, WY
9/13/2019 - 3.3 mag, 5.0mi depth 14.7612 mi from Montpelier, ID
9/11/2019 - 2.4 mag, 8.5mi depth 8.22436 mi from Soda Springs, ID
8/22/2019 - 2.7 mag, 5.0mi depth 9.29448 mi from Soda Springs, ID
7/5/2019 - 2.6 mag, 5.0mi depth 6.95795 mi from Soda Springs, ID
7/5/2019 - 3.3 mag, 4.3mi depth 8.8414 mi from Soda Springs, ID
5/13/2019 - 1.7 mag, -3.4mi depth 8.70045 mi from Soda Springs, ID
5/5/2019 - 2.8 mag, 5.5mi depth 5.3733 mi from Soda Springs, ID
3/26/2019 - 2.7 mag, 5.0mi depth 5.73005 mi from Soda Springs, ID
12/26/2018 - 3.1 mag, 16.3mi depth 9.56024 mi from Soda Springs, ID
12/26/2018 - 2.5 mag, -3.5mi depth 7.4845 mi from Soda Springs, ID
12/19/2018 - 2.2 mag, 0.1mi depth 9.30277 mi from Soda Springs, ID
12/1/2018 - 2.5 mag, 5.0mi depth 5.52817 mi from Soda Springs, ID
11/30/2018 - 3.1 mag, 5.0mi depth 7.27685 mi from Afton, WY
11/15/2018 - 3.8 mag, 11.0mi depth 6.32772 mi from Soda Springs, ID
11/14/2018 - 3.2 mag, 2.6mi depth 6.84408 mi from Soda Springs, ID
11/13/2018 - 3.2 mag, 1.9mi depth 5.33123 mi from Soda Springs, ID
9/8/2018 - 3.0 mag, 7.0mi depth 5.39713 mi from Soda Springs, ID
8/23/2018 - 2.6 mag, 6.1mi depth 7.86634 mi from Soda Springs, ID
8/23/2018 - 2.5 mag, 9.3mi depth 8.15816 mi from Soda Springs, ID
8/21/2018 - 1.9 mag, 6.0mi depth 4.89065 mi from Soda Springs, ID
5/29/2018 - 3.3 mag, 8.6mi depth 7.09429 mi from Soda Springs, ID
5/9/2018 - 2.6 mag, 4.3mi depth 7.06688 mi from Soda Springs, ID

2/3/1994 - 5.6 mag, 3.8mi depth 2.175 mi from Grover, WY
9/2/2017 - 5.3 mag, 10.0mi depth 17.015 mi from Soda Springs, ID
4/21/2001 - 5.3 mag, 0.8mi depth 18.9443 mi from Freedom, WY
2/11/1994 - 4.8 mag, 5.0mi depth 2.2971 mi from Auburn, WY
9/10/2017 - 4.7 mag, 5.0mi depth 9.9224 mi from Soda Springs, ID
2/4/1994 - 4.7 mag, 5.0mi depth 2.5082 mi from Fairview, WY
10/14/1982 - 4.6 mag, 7.0mi depth 8.3977 mi from Georgetown, ID
2/7/1994 - 4.5 mag, 5.0mi depth 2.5645 mi from Fairview, WY
9/11/2017 - 4.5 mag, 10.0mi depth 11.6351 mi from Soda Springs, ID
9/3/2017 - 4.5 mag, 7.1mi depth 7.28595 mi from Soda Springs, ID
2/3/1994 - 4.4 mag, 5.0mi depth 7.849 mi from Auburn, WY
2/10/1994 - 4.4 mag, 5.0mi depth 1.9865 mi from Auburn, WY
2/3/1994 - 4.4 mag, 5.0mi depth 1.325 mi from Auburn, WY
2/3/1994 - 4.4 mag, 5.0mi depth 0.7857 mi from Auburn, WY
9/5/2017 - 4.3 mag, 5.0mi depth 9.17771 mi from Soda Springs, ID
9/3/2017 - 4.3 mag, 3.7mi depth 9.52543 mi from Soda Springs, ID
4/8/1994 - 4.3 mag, 5.0mi depth 8.2185 mi from Smoot, WY
12/9/1981 - 4.3 mag, 7.0mi depth 8.0008 mi from Soda Springs, ID
9/5/2017 - 4.3 mag, 5.0mi depth 10.6468 mi from Soda Springs, ID
9/11/2017 - 4.3 mag, 7.6mi depth 12.5067 mi from Soda Springs, ID
8/22/1985 - 4.3 mag, 5.0mi depth 9.4867 mi from Nordic, WY
9/3/2017 - 4.3 mag, 5.0mi depth 10.2142 mi from Soda Springs, ID
9/10/2017 - 4.3 mag, 5.0mi depth 9.66098 mi from Soda Springs, ID
4/7/1994 - 4.3 mag, 5.0mi depth 6.9849 mi from Smoot, WY
9/2/2017 - 4.3 mag, 10.0mi depth 8.76504 mi from Soda Springs, ID
9/5/2017 - 4.3 mag, 5.0mi depth 9.02047 mi from Soda Springs, ID
9/2/2017 - 4.2 mag, 6.1mi depth 5.65223 mi from Soda Springs, ID
2/3/1994 - 4.2 mag, 5.0mi depth 2.038 mi from Auburn, WY
1/2/2021 - 4.2 mag, 5.1mi depth 7.24188 mi from Georgetown, ID
9/10/2017 - 4.2 mag, 11.7mi depth 11.4616 mi from Soda Springs, ID
2/3/1994 - 4.2 mag, 5.0mi depth 2.4925 mi from Auburn, WY
9/9/2017 - 4.1 mag, 7.4mi depth 10.7988 mi from Soda Springs, ID
7/22/1999 - 4.1 mag, 5.0mi depth 6.3207 mi from Etna, WY
9/6/2017 - 4.1 mag, 1.9mi depth 10.871 mi from Soda Springs, ID
9/2/2017 - 4.1 mag, 8.6mi depth 6.09199 mi from Soda Springs, ID
10/10/2017 - 4.1 mag, 9.9mi depth 11.3048 mi from Soda Springs, ID
7/25/1995 - 4.1 mag, 5.0mi depth 4.1406 mi from Freedom, WY
2/14/1994 - 4.1 mag, 5.0mi depth 3.9831 mi from Fairview, WY
7/17/1997 - 4.1 mag, 5.0mi depth 7.1541 mi from Bennington, ID
10/14/1982 - 4.1 mag, 7.0mi depth 8.4348 mi from Soda Springs, ID
3/10/1994 - 4.1 mag, 5.0mi depth 3.4688 mi from Auburn, WY
2/5/1994 - 4.1 mag, 5.0mi depth 3.6249 mi from Fairview, WY
6/15/1994 - 4.1 mag, 5.0mi depth 4.3158 mi from Fairview, WY
2/4/1994 - 4.0 mag, 5.0mi depth 5.6759 mi from Fairview, WY
9/4/1992 - 4.0 mag, 5.0mi depth 10.1398 mi from Soda Springs, ID
2/4/1994 - 4.0 mag, 5.0mi depth 6.0125 mi from Thayne, WY
4/7/1994 - 4.0 mag, 5.0mi depth 5.0513 mi from Fairview, WY
2/19/1994 - 4.0 mag, 5.0mi depth 4.489 mi from Fairview, WY
11/13/1988 - 4.0 mag, 5.0mi depth 3.0035 mi from Smoot, WY
2/3/1994 - 4.0 mag, 5.0mi depth 5.2812 mi from Auburn, WY

View All

Earthquake Probability for Afton, WY

View the probability of a major earthquake within the next 50 years in Afton, WY.

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

88.94%

5.1

84.36%

5.2

84.36%

5.2

79.17%

5.3

73.54%

5.4

67.70%

5.5

61.88%

5.6

56.27%

5.7

50.95%

5.8

46.05%

5.9

41.60%

6.0

37.63%

6.1

33.63%

6.2

30.12%

6.3

26.93%

6.4

24.17%

6.5

21.72%

6.6

18.10%

6.7

14.87%

6.8

11.79%

6.9

8.67%

7.0

4.90%

7.1

2.90%

7.2

1.59%

7.3

0.69%

7.4

0.26%

7.5

0.07%

7.6

0.02%

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 Afton, WY

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

List of Earthquake Incidents for Afton, WY

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

10/26/2023

2.9

4.8

10.89

Earthquake Information for Afton, Wyoming

Earthquake Probability for Afton, WY

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

Earthquake Count for Afton, WY

List of Earthquake Incidents for Afton, WY

Risk Of Natural Disasters In Afton, WY

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