Earthquake Information for Orange, California

Orange, CA has a very high earthquake risk, with a total of 9,790 earthquakes since 1931. The USGS database shows that there is a 96.89% chance of a major earthquake within 50km of Orange, CA within the next 50 years. The largest earthquake within 30 miles of Orange, CA was a 5.7 Magnitude in 1987.

Risk Level:
Very High
Total Number of Earthquakes in Orange since 1931 within 30 miles
9,790
Probability of A 5.0 Earthquake within next 50 years
96.89%

Earthquake Probability for Orange, CA

View the probability of a major earthquake within the next 50 years in Orange, 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
96.89%
5.1
95.15%
5.2
95.15%
5.2
92.98%
5.3
90.44%
5.4
87.65%
5.5
84.72%
5.6
81.76%
5.7
78.86%
5.8
76.10%
5.9
73.54%
6.0
71.20%
6.1
68.83%
6.2
66.69%
6.3
64.51%
6.4
59.87%
6.5
50.10%
6.6
42.35%
6.7
34.40%
6.8
27.84%
6.9
22.11%
7.0
16.66%
7.1
12.64%
7.2
9.37%
7.3
7.00%
7.4
5.38%
7.5
3.89%
7.6
2.72%
7.7
1.57%
7.8
0.65%
7.9
0.17%
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%