Earthquake Information for Johannesburg, California

Johannesburg, CA has a very high earthquake risk, with a total of 31,215 earthquakes since 1931. The USGS database shows that there is a 89.97% chance of a major earthquake within 50km of Johannesburg, CA within the next 50 years. The largest earthquake within 30 miles of Johannesburg, CA was a 7.1 Magnitude in 2019.

Risk Level:
Very High
Total Number of Earthquakes in Johannesburg since 1931 within 30 miles
31,215
Probability of A 5.0 Earthquake within next 50 years
89.97%

Earthquake Probability for Johannesburg, CA

View the probability of a major earthquake within the next 50 years in Johannesburg, 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
89.97%
5.1
85.67%
5.2
85.67%
5.2
80.73%
5.3
75.35%
5.4
69.74%
5.5
64.11%
5.6
58.65%
5.7
53.47%
5.8
48.67%
5.9
44.31%
6.0
40.28%
6.1
35.91%
6.2
31.66%
6.3
27.70%
6.4
23.41%
6.5
20.46%
6.6
18.39%
6.7
16.46%
6.8
14.71%
6.9
12.97%
7.0
11.06%
7.1
9.89%
7.2
8.83%
7.3
7.69%
7.4
6.38%
7.5
4.62%
7.6
3.05%
7.7
1.65%
7.8
0.72%
7.9
0.16%
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%