Earthquake Information for Costa Mesa, California

Costa Mesa, CA has a very high earthquake risk, with a total of 6,030 earthquakes since 1931. The USGS database shows that there is a 93.17% chance of a major earthquake within 50km of Costa Mesa, CA within the next 50 years. The largest earthquake within 30 miles of Costa Mesa, CA was a 5.5 Magnitude in 2008.

Risk Level:
Very High
Total Number of Earthquakes in Costa Mesa since 1931 within 30 miles
6,030
Probability of A 5.0 Earthquake within next 50 years
93.17%

Earthquake Probability for Costa Mesa, CA

View the probability of a major earthquake within the next 50 years in Costa Mesa, 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
93.17%
5.1
90.11%
5.2
90.11%
5.2
86.53%
5.3
82.60%
5.4
78.46%
5.5
74.27%
5.6
70.18%
5.7
66.29%
5.8
62.66%
5.9
59.35%
6.0
56.38%
6.1
53.33%
6.2
50.61%
6.3
47.99%
6.4
44.20%
6.5
39.19%
6.6
34.59%
6.7
29.64%
6.8
24.88%
6.9
20.24%
7.0
15.65%
7.1
12.31%
7.2
9.71%
7.3
7.62%
7.4
5.85%
7.5
3.99%
7.6
2.73%
7.7
1.56%
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%