Earthquake Information for Adak, Alaska

Adak, AK has a very high earthquake risk, with a total of 31 earthquakes since 1931. The USGS database shows that there is a 100.00% chance of a major earthquake within 50km of Adak, AK within the next 50 years. The largest earthquake within 30 miles of Adak, AK was a 5.2 Magnitude in 2014.

Risk Level:
Very High
Total Number of Earthquakes in Adak since 1931 within 30 miles
31
Probability of A 5.0 Earthquake within next 50 years
100.00%

Earthquake Probability for Adak, AK

View the probability of a major earthquake within the next 50 years in Adak, 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
100.00%
5.1
100.00%
5.2
100.00%
5.2
99.97%
5.3
99.90%
5.4
99.69%
5.5
99.21%
5.6
98.29%
5.7
96.77%
5.8
94.52%
5.9
91.52%
6.0
87.82%
6.1
82.50%
6.2
76.34%
6.3
69.38%
6.4
62.04%
6.5
54.30%
6.6
46.60%
6.7
38.81%
6.8
30.88%
6.9
23.00%
7.0
14.92%
7.1
10.67%
7.2
6.83%
7.3
3.40%
7.4
1.60%
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%