Earthquake Information for Shasta County, California

Shasta County, CA has a moderate earthquake risk, with a total of 212 earthquakes since 1931. The USGS database shows that there is a 23.80% chance of a major earthquake within 50km of Shasta County, CA within the next 50 years. The largest earthquake within 30 miles of Shasta County, CA was a 5.4 Magnitude in 1998.

Risk Level:
Moderate
Total Number of Earthquakes in Shasta County since 1931
212
Probability of A 5.0 Earthquake within next 50 years
23.80%

Earthquake Probability for Shasta County, CA

View the probability of a major earthquake within the next 50 years in Shasta 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
23.80%
5.1
21.51%
5.2
21.51%
5.2
19.55%
5.3
17.89%
5.4
16.47%
5.5
15.28%
5.6
14.27%
5.7
13.43%
5.8
12.72%
5.9
12.12%
6.0
11.63%
6.1
11.14%
6.2
10.73%
6.3
10.35%
6.4
9.81%
6.5
8.64%
6.6
7.27%
6.7
6.09%
6.8
5.22%
6.9
4.48%
7.0
3.54%
7.1
2.45%
7.2
1.41%
7.3
0.73%
7.4
0.37%
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%