Earthquake Information for Sea Ranch, California

Sea Ranch, CA has a high earthquake risk, with a total of 439 earthquakes since 1931. The USGS database shows that there is a 74.17% chance of a major earthquake within 50km of Sea Ranch, CA within the next 50 years. The largest earthquake within 30 miles of Sea Ranch, CA was a 4.4 Magnitude in 2017.

Risk Level:
High
Total Number of Earthquakes in Sea Ranch since 1931 within 30 miles
439
Probability of A 5.0 Earthquake within next 50 years
74.17%

Earthquake Probability for Sea Ranch, CA

View the probability of a major earthquake within the next 50 years in Sea Ranch, 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
74.17%
5.1
69.39%
5.2
69.39%
5.2
64.75%
5.3
60.36%
5.4
56.29%
5.5
52.59%
5.6
49.27%
5.7
46.34%
5.8
43.77%
5.9
41.54%
6.0
39.62%
6.1
37.50%
6.2
35.68%
6.3
34.09%
6.4
32.74%
6.5
31.60%
6.6
30.67%
6.7
29.82%
6.8
29.04%
6.9
28.33%
7.0
27.68%
7.1
27.13%
7.2
26.10%
7.3
24.06%
7.4
21.35%
7.5
18.30%
7.6
16.63%
7.7
14.24%
7.8
10.88%
7.9
7.10%
8.0
3.86%
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%
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