Earthquake Information for Alpine County, California

Alpine County, CA has a very high earthquake risk, with a total of 299 earthquakes since 1931. The USGS database shows that there is a 90.11% chance of a major earthquake within 50km of Alpine County, CA within the next 50 years. The largest earthquake within 30 miles of Alpine County, CA was a 5.7 Magnitude in 1994.

Risk Level:
Very High
Total Number of Earthquakes in Alpine County since 1931
299
Probability of A 5.0 Earthquake within next 50 years
90.11%

Earthquake Probability for Alpine County, CA

View the probability of a major earthquake within the next 50 years in Alpine 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
90.11%
5.1
86.12%
5.2
86.12%
5.2
81.60%
5.3
76.74%
5.4
71.73%
5.5
66.75%
5.6
61.95%
5.7
57.43%
5.8
53.26%
5.9
49.48%
6.0
46.08%
6.1
42.67%
6.2
39.64%
6.3
36.82%
6.4
34.36%
6.5
32.16%
6.6
27.65%
6.7
23.57%
6.8
19.83%
6.9
15.86%
7.0
12.07%
7.1
8.14%
7.2
5.37%
7.3
3.28%
7.4
1.74%
7.5
0.73%
7.6
0.06%
7.7
0.01%
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%