Earthquake Information for Big Delta, Alaska

Big Delta, AK has a high earthquake risk, with a total of 193 earthquakes since 1931. The USGS database shows that there is a 54.03% chance of a major earthquake within 50km of Big Delta, AK within the next 50 years. The largest earthquake within 30 miles of Big Delta, AK was a 4.4 Magnitude in 1992.

Risk Level:
High

Total Number of Earthquakes in Big Delta since 1931 within 30 miles

193

Probability of A 5.0 Earthquake within next 50 years

54.03%

Most Recent
Largest

4/24/2024 - 1.1 mag, 8.0mi depth 11.0524 mi from Fort Greely, AK
3/22/2024 - 1.2 mag, 10.6mi depth 16.4129 mi from Healy Lake, AK
3/20/2024 - 2.3 mag, 0.0mi depth 11.5085 mi from Fort Greely, AK
3/16/2024 - 1.1 mag, 8.8mi depth 11.7776 mi from Fort Greely, AK
3/7/2024 - 1.8 mag, 8.9mi depth 7.85266 mi from Healy Lake, AK
3/7/2024 - 0.8 mag, 14.2mi depth 8.94882 mi from Fort Greely, AK
2/19/2024 - 1.7 mag, 0.2mi depth 13.1972 mi from Fort Greely, AK
2/12/2024 - 1.2 mag, 31.8mi depth 19.9159 mi from Whitestone, AK
2/11/2024 - 1.3 mag, 25.1mi depth 15.669 mi from Deltana, AK
1/24/2024 - 1.5 mag, 16.3mi depth 5.52703 mi from Fort Greely, AK
1/24/2024 - 1.0 mag, 12.1mi depth 9.05688 mi from Delta Junction, AK
1/23/2024 - 1.2 mag, 19.9mi depth 13.4884 mi from Whitestone, AK
1/23/2024 - 0.7 mag, 26.9mi depth 2.20244 mi from Whitestone, AK
1/22/2024 - 1.4 mag, 15.3mi depth 11.5061 mi from Delta Junction, AK
1/20/2024 - 2.0 mag, 3.7mi depth 21.7567 mi from Delta Junction, AK
1/20/2024 - 1.9 mag, 19.8mi depth 5.15064 mi from Whitestone, AK
1/20/2024 - 2.2 mag, 20.0mi depth 7.33392 mi from Fort Greely, AK
1/20/2024 - 1.8 mag, 6.6mi depth 5.74695 mi from Whitestone, AK
1/19/2024 - 3.1 mag, 15.5mi depth 12.0044 mi from Whitestone, AK
1/19/2024 - 0.7 mag, 15.2mi depth 10.9286 mi from Fort Greely, AK
1/19/2024 - 1.7 mag, 26.2mi depth 11.8079 mi from Whitestone, AK
12/5/2023 - 1.6 mag, 16.3mi depth 24.1358 mi from Delta Junction, AK
12/2/2023 - 1.5 mag, 41.1mi depth 15.6822 mi from Big Delta, AK
10/17/2023 - 1.5 mag, 7.3mi depth 13.6808 mi from Big Delta, AK
9/6/2023 - 3.5 mag, 15.4mi depth 8.9313 mi from Whitestone, AK
8/11/2023 - 1.0 mag, 14.7mi depth 22.904 mi from Delta Junction, AK
3/12/2023 - 1.3 mag, 13.8mi depth 7.79992 mi from Fort Greely, AK
3/6/2023 - 0.9 mag, 16.3mi depth 1.69523 mi from Fort Greely, AK
11/19/2022 - 1.2 mag, 16.7mi depth 6.71782 mi from Fort Greely, AK
11/17/2022 - 1.5 mag, 0.0mi depth 14.9648 mi from Big Delta, AK
10/9/2022 - 1.0 mag, 24.6mi depth 3.91887 mi from Fort Greely, AK
9/18/2022 - 1.1 mag, 12.6mi depth 9.50393 mi from Deltana, AK
9/7/2022 - 1.2 mag, 12.1mi depth 6.5913 mi from Fort Greely, AK
8/4/2022 - 1.6 mag, 0.0mi depth 28.0437 mi from Big Delta, AK
7/14/2022 - 2.0 mag, 0.6mi depth 11.8782 mi from Fort Greely, AK
6/26/2022 - 1.0 mag, 10.1mi depth 18.9496 mi from Whitestone, AK
6/26/2022 - 1.3 mag, 0.0mi depth 21.3599 mi from Whitestone, AK
6/26/2022 - 1.0 mag, 0.0mi depth 13.2277 mi from Whitestone, AK
4/20/2022 - 1.3 mag, 0.0mi depth 25.6491 mi from Whitestone, AK
4/8/2022 - 1.7 mag, 0.0mi depth 2.41754 mi from Big Delta, AK
4/7/2022 - 1.9 mag, 12.1mi depth 11.387 mi from Fort Greely, AK
3/31/2022 - 1.3 mag, 7.3mi depth 2.15408 mi from Big Delta, AK
3/29/2022 - 1.5 mag, 0.0mi depth 2.36892 mi from Big Delta, AK
3/28/2022 - 1.5 mag, 12.7mi depth 7.90275 mi from Fort Greely, AK
3/27/2022 - 1.1 mag, 18.6mi depth 9.63582 mi from Fort Greely, AK
3/27/2022 - 3.5 mag, 13.0mi depth 11.3603 mi from Delta Junction, AK
3/21/2022 - 1.4 mag, 12.3mi depth 17.9899 mi from Big Delta, AK
3/18/2022 - 1.2 mag, 14.1mi depth 3.10195 mi from Whitestone, AK
3/9/2022 - 1.4 mag, 12.1mi depth 3.25865 mi from Delta Junction, AK
2/8/2022 - 1.3 mag, 13.7mi depth 11.7409 mi from Deltana, AK

10/1/1992 - 4.4 mag, 14.5mi depth 5.8582 mi from Delta Junction, AK
10/17/1994 - 4.1 mag, 9.9mi depth 16.7435 mi from Fort Greely, AK
5/4/1987 - 3.8 mag, 33.0mi depth 5.0044 mi from Fort Greely, AK
9/6/2023 - 3.5 mag, 15.4mi depth 8.9313 mi from Whitestone, AK
3/27/2022 - 3.5 mag, 13.0mi depth 11.3603 mi from Delta Junction, AK
12/11/1993 - 3.5 mag, 17.3mi depth 1.9211 mi from Delta Junction, AK
10/17/1994 - 3.5 mag, 11.9mi depth 16.1035 mi from Fort Greely, AK
2/22/2019 - 3.4 mag, 37.8mi depth 7.35224 mi from Delta Junction, AK
6/29/2014 - 3.3 mag, 6.6mi depth 26.6364 mi from Salcha, AK
11/23/1995 - 3.2 mag, 8.4mi depth 22.7282 mi from Big Delta, AK
11/27/2002 - 3.2 mag, 5.0mi depth 22.5606 mi from Whitestone, AK
1/19/2024 - 3.1 mag, 15.5mi depth 12.0044 mi from Whitestone, AK
4/9/1999 - 3.0 mag, 8.5mi depth 18.1204 mi from Big Delta, AK
1/5/2003 - 3.0 mag, 5.0mi depth 9.5299 mi from Fort Greely, AK
3/25/1980 - 3.0 mag, 33.0mi depth 20.2939 mi from Big Delta, AK
4/9/1999 - 2.8 mag, 8.1mi depth 18.0827 mi from Big Delta, AK
8/21/2003 - 2.8 mag, 2.0mi depth 18.1375 mi from Fort Greely, AK
5/20/1996 - 2.7 mag, 15.6mi depth 15.2195 mi from Whitestone, AK
11/7/1999 - 2.7 mag, 0.0mi depth 9.986 mi from Whitestone, AK
12/23/2008 - 2.7 mag, 2.7mi depth 18.0807 mi from Big Delta, AK
4/21/2019 - 2.5 mag, 4.4mi depth 10.9384 mi from Delta Junction, AK
5/17/2015 - 2.5 mag, 13.7mi depth 9.97287 mi from Delta Junction, AK
4/10/2020 - 2.4 mag, 19.5mi depth 11.8569 mi from Deltana, AK
6/6/2016 - 2.3 mag, 1.4mi depth 13.2898 mi from Delta Junction, AK
3/20/2024 - 2.3 mag, 0.0mi depth 11.5085 mi from Fort Greely, AK
9/11/2013 - 2.3 mag, 13.7mi depth 14.3818 mi from Harding Birch Lakes, AK
1/20/2024 - 2.2 mag, 20.0mi depth 7.33392 mi from Fort Greely, AK
3/1/2015 - 2.1 mag, 27.3mi depth 29.9147 mi from Deltana, AK
7/28/2019 - 2.1 mag, 12.9mi depth 5.52372 mi from Delta Junction, AK
12/22/2020 - 2.1 mag, 10.6mi depth 10.554 mi from Fort Greely, AK
7/8/2013 - 2.1 mag, 0.5mi depth 24.962 mi from Big Delta, AK
1/20/2024 - 2.0 mag, 3.7mi depth 21.7567 mi from Delta Junction, AK
3/20/2014 - 2.0 mag, 6.2mi depth 15.1007 mi from Deltana, AK
4/8/2019 - 2.0 mag, 4.3mi depth 5.77774 mi from Delta Junction, AK
7/14/2022 - 2.0 mag, 0.6mi depth 11.8782 mi from Fort Greely, AK
1/5/2015 - 2.0 mag, 15.8mi depth 23.6159 mi from Delta Junction, AK
12/3/2019 - 1.9 mag, 24.8mi depth 24.6452 mi from Delta Junction, AK
1/20/2024 - 1.9 mag, 19.8mi depth 5.15064 mi from Whitestone, AK
4/7/2022 - 1.9 mag, 12.1mi depth 11.387 mi from Fort Greely, AK
3/30/2018 - 1.8 mag, 0.0mi depth 12.2552 mi from Deltana, AK
12/27/2020 - 1.8 mag, 16.9mi depth 11.1433 mi from Fort Greely, AK
8/23/2019 - 1.8 mag, 0.0mi depth 25.1721 mi from Salcha, AK
6/26/2018 - 1.8 mag, 0.0mi depth 24.243 mi from Salcha, AK
1/20/2024 - 1.8 mag, 6.6mi depth 5.74695 mi from Whitestone, AK
12/28/2014 - 1.8 mag, 11.4mi depth 10.3642 mi from Delta Junction, AK
2/10/2021 - 1.8 mag, 9.5mi depth 2.01137 mi from Fort Greely, AK
12/16/2019 - 1.8 mag, 19.8mi depth 24.5261 mi from Delta Junction, AK
12/20/2019 - 1.8 mag, 2.2mi depth 17.579 mi from Delta Junction, AK
3/7/2024 - 1.8 mag, 8.9mi depth 7.85266 mi from Healy Lake, AK
12/31/2016 - 1.8 mag, 0.0mi depth 22.7064 mi from Salcha, AK

View All

Earthquake Probability for Big Delta, AK

View the probability of a major earthquake within the next 50 years in Big Delta, AK.

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

54.03%

5.1

47.64%

5.2

47.64%

5.2

41.69%

5.3

36.27%

5.4

31.40%

5.5

27.09%

5.6

23.32%

5.7

20.06%

5.8

17.25%

5.9

14.85%

6.0

12.82%

6.1

10.75%

6.2

9.01%

6.3

7.47%

6.4

6.19%

6.5

5.08%

6.6

4.12%

6.7

3.29%

6.8

2.56%

6.9

1.93%

7.0

1.35%

7.1

0.85%

7.2

0.41%

7.3

0.01%

7.4

0.01%

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 Big Delta, AK

View the number of earthquake incidents in Big Delta, AK by year that are more than 2.5 Magnitude.

List of Earthquake Incidents for Big Delta, AK

Total Number of Earthquakes in Big Delta, AK within 30 miles. All distances and depths in the table are measured in miles.

04/24/2024

1.1

8.0

11.05

Earthquake Information for Big Delta, Alaska

Earthquake Probability for Big Delta, AK

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

Earthquake Count for Big Delta, AK

List of Earthquake Incidents for Big Delta, AK

Risk Of Natural Disasters In Big Delta, AK

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