Earthquake Information for Castle Rock, Washington

Castle Rock, WA has a high earthquake risk, with a total of 921 earthquakes since 1931. The USGS database shows that there is a 40.69% chance of a major earthquake within 50km of Castle Rock, WA within the next 50 years. The largest earthquake within 30 miles of Castle Rock, WA was a 4.4 Magnitude in 1980.

Risk Level:
High
Total Number of Earthquakes in Castle Rock since 1931 within 30 miles
921
Probability of A 5.0 Earthquake within next 50 years
40.69%

Earthquake Probability for Castle Rock, WA

View the probability of a major earthquake within the next 50 years in Castle Rock, 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
40.69%
5.1
36.28%
5.2
36.28%
5.2
32.31%
5.3
28.78%
5.4
25.65%
5.5
22.91%
5.6
20.51%
5.7
18.41%
5.8
16.60%
5.9
15.02%
6.0
13.66%
6.1
12.29%
6.2
11.10%
6.3
10.03%
6.4
9.10%
6.5
8.26%
6.6
6.87%
6.7
5.56%
6.8
4.28%
6.9
3.09%
7.0
1.94%
7.1
1.01%
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%