Earthquake Information for Nikiski, Alaska

Nikiski, AK has a very high earthquake risk, with a total of 6,653 earthquakes since 1931. The USGS database shows that there is a 99.97% chance of a major earthquake within 50km of Nikiski, AK within the next 50 years. The largest earthquake within 30 miles of Nikiski, AK was a 6.9 Magnitude in 1933.

Risk Level:
Very High
Total Number of Earthquakes in Nikiski since 1931 within 30 miles
6,653
Probability of A 5.0 Earthquake within next 50 years
99.97%

Earthquake Probability for Nikiski, AK

View the probability of a major earthquake within the next 50 years in Nikiski, 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
99.97%
5.1
99.88%
5.2
99.88%
5.2
99.60%
5.3
98.93%
5.4
97.64%
5.5
95.49%
5.6
92.36%
5.7
88.24%
5.8
83.27%
5.9
77.69%
6.0
71.78%
6.1
64.73%
6.2
57.67%
6.3
50.66%
6.4
44.05%
6.5
37.79%
6.6
31.95%
6.7
26.47%
6.8
21.31%
6.9
16.68%
7.0
12.46%
7.1
9.05%
7.2
5.95%
7.3
3.21%
7.4
1.51%
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%