Earthquake Information for Imperial County, California

Imperial County, CA has a very high earthquake risk, with a total of 4,463 earthquakes since 1931. The USGS database shows that there is a 97.63% chance of a major earthquake within 50km of Imperial County, CA within the next 50 years. The largest earthquake within 30 miles of Imperial County, CA was a 7.1 Magnitude in 1940.

Risk Level:
Very High
Total Number of Earthquakes in Imperial County since 1931
4,463
Probability of A 5.0 Earthquake within next 50 years
97.63%

Earthquake Probability for Imperial County, CA

View the probability of a major earthquake within the next 50 years in Imperial 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
97.63%
5.1
96.44%
5.2
96.44%
5.2
95.02%
5.3
93.40%
5.4
91.67%
5.5
89.89%
5.6
88.11%
5.7
86.41%
5.8
84.80%
5.9
83.32%
6.0
81.98%
6.1
80.47%
6.2
79.11%
6.3
77.76%
6.4
76.18%
6.5
73.83%
6.6
68.70%
6.7
62.59%
6.8
53.37%
6.9
41.62%
7.0
25.68%
7.1
16.92%
7.2
11.83%
7.3
9.00%
7.4
7.48%
7.5
5.78%
7.6
4.28%
7.7
3.21%
7.8
2.16%
7.9
1.27%
8.0
0.69%
8.1
0.30%
8.2
0.14%
8.3
0.05%
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%