Napa, CA Earthquake Report

Maps of Earthquakes in Napa, CA

Earthquake List

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Napa, CA Earthquake Probability

Very High Risk Area

The USGS database shows that there is a 96.55% chance of a major earthquake within 50km of Napa, CA within the next 50 years. The largest earthquake within 30 miles of Napa, CA was a 5.7 Magnitude in 1969.

Probability of earthquakes within the next 50 years

Within 31 Miles / 50km above magnitude

Magnitude
Probability
5.0
96.55%
5.1
95.10%
5.2
93.43%
5.3
91.63%
5.4
89.75%
5.5
87.87%
5.6
86.05%
5.7
84.33%
5.8
82.73%
5.9
81.29%
6.0
79.99%
6.1
78.73%
6.2
77.36%
6.3
75.80%
6.4
72.43 %
6.5
67.13%
6.6
59.73%
6.7
52.95%
6.8
45.61%
6.9
36.88%
7.0
26.75%
7.1
19.08%
7.2
13.24%
7.3
8.35%
7.4
4.31%
7.5
0.79%
7.6
0.08%
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%

Napa, CA Historical Earthquakes (within 30 miles)

All distances and depths in the table below are measured in miles.

Area Earthquakes By Year (>2.5 Mag)

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Environment Report Summary

Very Low Risk
High Risk Area
Low Potential Risk