Earthquake Information for Aptos, California

Aptos, CA has a very high earthquake risk, with a total of 6,503 earthquakes since 1931. The USGS database shows that there is a 99.89% chance of a major earthquake within 50km of Aptos, CA within the next 50 years. The largest earthquake within 30 miles of Aptos, CA was a 6.9 Magnitude in 1989.

Risk Level:
Very High
Total Number of Earthquakes in Aptos since 1931 within 50 miles
6,503
Probability of A 5.0 Earthquake within next 50 years
99.89%

Earthquake Probability for Aptos, CA

View the probability of a major earthquake within the next 50 years in Aptos, CA.

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
99.89%
5.1
99.72%
5.2
99.72%
5.2
99.38%
5.3
98.79%
5.4
97.92%
5.5
96.73%
5.6
95.25%
5.7
93.53%
5.8
91.65%
5.9
85.14%
6.0
81.85%
6.1
77.98%
6.2
72.35%
6.3
65.00%
6.4
55.61%
6.5
48.38%
6.6
43.30%
6.7
39.47%
6.8
36.27%
6.9
33.30%
7.0
29.90%
7.1
27.07%
7.2
24.64%
7.3
21.82%
7.4
18.16%
7.5
13.25%
7.6
10.38%
7.7
8.64%
7.8
7.53%
7.9
5.80%
8.0
3.68%
8.1
2.43%
8.2
0.66%
8.3
0.32%
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%