Earthquake Information for Grays River, Washington

Grays River, WA has a moderate earthquake risk, with a total of 84 earthquakes since 1931. The USGS database shows that there is a 28.41% chance of a major earthquake within 50km of Grays River, WA within the next 50 years. The largest earthquake within 30 miles of Grays River, WA was a 3.5 Magnitude in 1984.

Risk Level:
Moderate
Total Number of Earthquakes in Grays River since 1931 within 30 miles
84
Probability of A 5.0 Earthquake within next 50 years
28.41%

Earthquake Probability for Grays River, WA

View the probability of a major earthquake within the next 50 years in Grays River, 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
28.41%
5.1
26.47%
5.2
26.47%
5.2
24.76%
5.3
23.24%
5.4
21.91%
5.5
20.72%
5.6
19.68%
5.7
18.75%
5.8
17.93%
5.9
17.21%
6.0
16.57%
6.1
15.85%
6.2
15.21%
6.3
14.63%
6.4
14.10%
6.5
13.61%
6.6
12.79%
6.7
12.03%
6.8
11.27%
6.9
10.51%
7.0
9.78%
7.1
9.13%
7.2
8.47%
7.3
8.43%
7.4
8.43%
7.5
8.43%
7.6
8.43%
7.7
8.43%
7.8
8.43%
7.9
8.43%
8.0
8.43%
8.1
8.14%
8.2
7.85%
8.3
7.56%
8.4
6.98%
8.5
6.37%
8.6
5.73%
8.7
5.11%
8.8
4.51%
8.9
3.62%
9.0
3.62%
9.1
0.92%
9.2
0.92%