Earthquake Information for Chico, Washington

Chico, WA has a very high earthquake risk, with a total of 1,179 earthquakes since 1931. The USGS database shows that there is a 90.85% chance of a major earthquake within 50km of Chico, WA within the next 50 years. The largest earthquake within 30 miles of Chico, WA was a 6.5 Magnitude in 1965.

Risk Level:
Very High
Total Number of Earthquakes in Chico since 1931 within 30 miles
1,179
Probability of A 5.0 Earthquake within next 50 years
90.85%

Earthquake Probability for Chico, WA

View the probability of a major earthquake within the next 50 years in Chico, WA.

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
90.85%
5.1
87.84%
5.2
87.84%
5.2
84.43%
5.3
80.69%
5.4
76.69%
5.5
72.50%
5.6
68.22%
5.7
63.91%
5.8
59.62%
5.9
55.42%
6.0
51.34%
6.1
46.92%
6.2
42.64%
6.3
38.41%
6.4
34.37%
6.5
30.46%
6.6
25.85%
6.7
21.42%
6.8
17.01%
6.9
13.06%
7.0
8.82%
7.1
4.95%
7.2
1.22%
7.3
0.60%
7.4
0.29%
7.5
0.14%
7.6
0.06%
7.7
0.01%
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%