Earthquake Information for Walnut, California

Walnut, CA has a very high earthquake risk, with a total of 8,194 earthquakes since 1931. The USGS database shows that there is a 98.69% chance of a major earthquake within 50km of Walnut, CA within the next 50 years. The largest earthquake within 30 miles of Walnut, CA was a 5.7 Magnitude in 1990.

Risk Level:
Very High
Total Number of Earthquakes in Walnut since 1931 within 50 miles
8,194
Probability of A 5.0 Earthquake within next 50 years
98.69%

Earthquake Probability for Walnut, CA

View the probability of a major earthquake within the next 50 years in Walnut, 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
98.69%
5.1
97.94%
5.2
97.94%
5.2
97.01%
5.3
95.91%
5.4
94.70%
5.5
93.42%
5.6
92.13%
5.7
90.87%
5.8
89.66%
5.9
88.54%
6.0
87.51%
6.1
86.36%
6.2
85.31%
6.3
84.23%
6.4
81.80%
6.5
76.05%
6.6
70.39%
6.7
64.65%
6.8
59.83%
6.9
55.40%
7.0
51.12%
7.1
47.12%
7.2
42.86%
7.3
38.46%
7.4
34.37%
7.5
29.80%
7.6
25.11%
7.7
19.82%
7.8
14.31%
7.9
9.03%
8.0
4.54%
8.1
1.69%
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%