Earthquake Information for Modoc County, California

Modoc County, CA has a high earthquake risk, with a total of 36 earthquakes since 1931. The USGS database shows that there is a 30.49% chance of a major earthquake within 50km of Modoc County, CA within the next 50 years. The largest earthquake within 30 miles of Modoc County, CA was a 3.4 Magnitude in 2011.

Risk Level:
High
Total Number of Earthquakes in Modoc County since 1931
36
Probability of A 5.0 Earthquake within next 50 years
30.49%

Earthquake Probability for Modoc County, CA

View the probability of a major earthquake within the next 50 years in Modoc 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
30.49%
5.1
27.08%
5.2
27.08%
5.2
24.13%
5.3
21.58%
5.4
19.39%
5.5
17.52%
5.6
15.94%
5.7
14.60%
5.8
13.46%
5.9
12.51%
6.0
11.71%
6.1
10.94%
6.2
10.29%
6.3
9.72%
6.4
9.25%
6.5
8.83%
6.6
7.72%
6.7
6.71%
6.8
5.80%
6.9
4.87%
7.0
3.57%
7.1
2.38%
7.2
1.38%
7.3
0.73%
7.4
0.38%
7.5
0.16%
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%