Earthquake Information for Humboldt County, California

Humboldt County, CA has a very high earthquake risk, with a total of 2,311 earthquakes since 1931. The USGS database shows that there is a 94.84% chance of a major earthquake within 50km of Humboldt County, CA within the next 50 years. The largest earthquake within 30 miles of Humboldt County, CA was a 7.2 Magnitude in 1992.

Risk Level:
Very High
Total Number of Earthquakes in Humboldt County since 1931 within 50 miles
2,311
Probability of A 5.0 Earthquake within next 50 years
94.84%

Earthquake Probability for Humboldt County, CA

View the probability of a major earthquake within the next 50 years in Humboldt 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
94.84%
5.1
92.04%
5.2
92.04%
5.2
88.57%
5.3
84.57%
5.4
80.20%
5.5
75.62%
5.6
71.03%
5.7
66.55%
5.8
62.30%
5.9
58.36%
6.0
54.77%
6.1
50.71%
6.2
47.05%
6.3
43.77%
6.4
40.88%
6.5
38.32%
6.6
34.91%
6.7
31.72%
6.8
28.66%
6.9
25.56%
7.0
21.13%
7.1
17.22%
7.2
13.56%
7.3
9.50%
7.4
5.96%
7.5
1.61%
7.6
0.39%
7.7
0.04%
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%