Earthquake Information for Anchorage, Alaska

Anchorage, AK has a very high earthquake risk, with a total of 15,830 earthquakes since 1931. The USGS database shows that there is a 99.96% chance of a major earthquake within 50km of Anchorage, AK within the next 50 years. The largest earthquake within 30 miles of Anchorage, AK was a 7.0 Magnitude in 2018.

Risk Level:
Very High
Total Number of Earthquakes in Anchorage since 1931 within 30 miles
15,830
Probability of A 5.0 Earthquake within next 50 years
99.96%

Earthquake Probability for Anchorage, AK

View the probability of a major earthquake within the next 50 years in Anchorage, 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
99.96%
5.1
99.87%
5.2
99.87%
5.2
99.64%
5.3
99.20%
5.4
98.43%
5.5
97.26%
5.6
95.63%
5.7
93.57%
5.8
91.12%
5.9
88.39%
6.0
85.48%
6.1
81.99%
6.2
78.45%
6.3
74.83%
6.4
71.36%
6.5
67.95%
6.6
64.68%
6.7
61.59%
6.8
58.61%
6.9
55.83%
7.0
53.21%
7.1
47.61%
7.2
42.06%
7.3
36.68%
7.4
31.65%
7.5
26.72%
7.6
22.68%
7.7
18.94%
7.8
15.59%
7.9
12.53%
8.0
9.81%
8.1
7.40%
8.2
7.40%
8.3
7.40%
8.4
7.40%
8.5
7.40%
8.6
7.40%
8.7
7.40%
8.8
7.40%
8.9
7.40%
9.0
7.40%
9.1
7.40%
9.2
7.40%