Earthquake Information for Fontana, California

Fontana, CA has a very high earthquake risk, with a total of 11,959 earthquakes since 1931. The USGS database shows that there is a 99.45% chance of a major earthquake within 50km of Fontana, CA within the next 50 years. The largest earthquake within 30 miles of Fontana, CA was a 5.7 Magnitude in 1990.

Risk Level:
Very High
Total Number of Earthquakes in Fontana since 1931 within 30 miles
11,959
Probability of A 5.0 Earthquake within next 50 years
99.45%

Earthquake Probability for Fontana, CA

View the probability of a major earthquake within the next 50 years in Fontana, 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
99.45%
5.1
99.01%
5.2
99.01%
5.2
98.38%
5.3
97.55%
5.4
96.55%
5.5
95.42%
5.6
94.19%
5.7
92.93%
5.8
91.67%
5.9
90.46%
6.0
89.32%
6.1
88.10%
6.2
86.97%
6.3
85.83%
6.4
83.82%
6.5
79.85%
6.6
76.02%
6.7
72.01%
6.8
68.19%
6.9
64.23%
7.0
60.17%
7.1
55.98%
7.2
51.77%
7.3
46.73%
7.4
41.67%
7.5
35.47%
7.6
28.43%
7.7
21.06%
7.8
14.48%
7.9
9.01%
8.0
4.53%
8.1
1.68%
8.2
0.30%
8.3
0.06%
8.4
0.01%
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%
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