Earthquake Information for Placer County, California

Placer County, CA has a high earthquake risk, with a total of 52 earthquakes since 1931. The USGS database shows that there is a 68.26% chance of a major earthquake within 50km of Placer County, CA within the next 50 years. The largest earthquake within 30 miles of Placer County, CA was a 4.9 Magnitude in 1980.

Risk Level:
High
Total Number of Earthquakes in Placer County since 1931
52
Probability of A 5.0 Earthquake within next 50 years
68.26%

Earthquake Probability for Placer County, CA

View the probability of a major earthquake within the next 50 years in Placer 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
68.26%
5.1
61.55%
5.2
61.55%
5.2
54.91%
5.3
48.52%
5.4
42.52%
5.5
36.99%
5.6
32.00%
5.7
27.54%
5.8
23.62%
5.9
20.19%
6.0
17.22%
6.1
14.00%
6.2
11.23%
6.3
8.79%
6.4
6.72%
6.5
4.91%
6.6
4.05%
6.7
3.32%
6.8
2.71%
6.9
2.15%
7.0
1.64%
7.1
1.27%
7.2
0.95%
7.3
0.67%
7.4
0.40%
7.5
0.18%
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%