Earthquake Information for Charter Oak, California

Charter Oak, CA has a very high earthquake risk, with a total of 12,055 earthquakes since 1931. The USGS database shows that there is a 98.73% chance of a major earthquake within 50km of Charter Oak, CA within the next 50 years. The largest earthquake within 30 miles of Charter Oak, CA was a 5.7 Magnitude in 1987.

Risk Level:
Very High
Total Number of Earthquakes in Charter Oak since 1931 within 30 miles
12,055
Probability of A 5.0 Earthquake within next 50 years
98.73%

Earthquake Probability for Charter Oak, CA

View the probability of a major earthquake within the next 50 years in Charter Oak, 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
98.73%
5.1
97.97%
5.2
97.97%
5.2
97.01%
5.3
95.87%
5.4
94.60%
5.5
93.25%
5.6
91.88%
5.7
90.53%
5.8
89.23%
5.9
88.02%
6.0
86.90%
6.1
85.74%
6.2
84.68%
6.3
83.57%
6.4
81.06%
6.5
75.07%
6.6
69.21%
6.7
63.29%
6.8
58.35%
6.9
53.83%
7.0
49.50%
7.1
45.59%
7.2
41.56%
7.3
37.45%
7.4
33.57%
7.5
29.19%
7.6
24.64%
7.7
19.56%
7.8
14.24%
7.9
9.04%
8.0
4.55%
8.1
1.70%
8.2
0.30%
8.3
0.06%
8.4
0.01%
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%