Earthquake Information for Big Delta, Alaska

Big Delta, AK has a high earthquake risk, with a total of 116 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
116
Probability of A 5.0 Earthquake within next 50 years
54.03%

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)
MAGNITUDE
PROBABILITY
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%