Earthquake Information for Mariposa County, California

Mariposa County, CA has a high earthquake risk, with a total of 55 earthquakes since 1931. The USGS database shows that there is a 42.15% chance of a major earthquake within 50km of Mariposa County, CA within the next 50 years. The largest earthquake within 30 miles of Mariposa County, CA was a 4.0 Magnitude in 1975.

Risk Level:
High
Total Number of Earthquakes in Mariposa County since 1931
55
Probability of A 5.0 Earthquake within next 50 years
42.15%

Earthquake Probability for Mariposa County, CA

View the probability of a major earthquake within the next 50 years in Mariposa County, 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
42.15%
5.1
36.50%
5.2
36.50%
5.2
31.39%
5.3
26.83%
5.4
22.80%
5.5
19.29%
5.6
16.24%
5.7
13.62%
5.8
11.38%
5.9
9.46%
6.0
7.85%
6.1
6.15%
6.2
4.71%
6.3
3.38%
6.4
2.25%
6.5
1.23%
6.6
0.94%
6.7
0.68%
6.8
0.44%
6.9
0.23%
7.0
0.04%
7.1
0.03%
7.2
0.02%
7.3
0.02%
7.4
0.01%
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%