Earthquake Information for Chelan County, Washington

Chelan County, WA has a moderate earthquake risk, with a total of 57 earthquakes since 1931. The USGS database shows that there is a 28.82% chance of a major earthquake within 50km of Chelan County, WA within the next 50 years. The largest earthquake within 30 miles of Chelan County, WA was a 4.3 Magnitude in 2013.

Risk Level:
Moderate
Total Number of Earthquakes in Chelan County since 1931
57
Probability of A 5.0 Earthquake within next 50 years
28.82%

Earthquake Probability for Chelan County, WA

View the probability of a major earthquake within the next 50 years in Chelan County, 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
28.82%
5.1
24.77%
5.2
24.77%
5.2
21.23%
5.3
18.15%
5.4
15.50%
5.5
13.23%
5.6
11.30%
5.7
9.65%
5.8
8.26%
5.9
7.09%
6.0
6.10%
6.1
5.06%
6.2
4.19%
6.3
3.43%
6.4
2.80%
6.5
2.25%
6.6
1.77%
6.7
1.35%
6.8
0.98%
6.9
0.64%
7.0
0.34%
7.1
0.22%
7.2
0.10%
7.3
0.00%
7.4
0.00%
7.5
0.00%
7.6
0.00%
7.7
0.00%
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%