Earthquake Information for Seattle, Washington

Seattle, WA has a very high earthquake risk, with a total of 1,692 earthquakes since 1931. The USGS database shows that there is a 87.56% chance of a major earthquake within 50km of Seattle, WA within the next 50 years. The largest earthquake within 30 miles of Seattle, WA was a 6.5 Magnitude in 1965.

Risk Level:
Very High
Total Number of Earthquakes in Seattle since 1931 within 50 miles
1,692
Probability of A 5.0 Earthquake within next 50 years
87.56%

Earthquake Probability for Seattle, WA

View the probability of a major earthquake within the next 50 years in Seattle, 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
87.56%
5.1
83.82%
5.2
83.82%
5.2
79.72%
5.3
75.34%
5.4
70.81%
5.5
66.22%
5.6
61.65%
5.7
57.18%
5.8
52.86%
5.9
48.73%
6.0
44.82%
6.1
40.69%
6.2
36.79%
6.3
32.99%
6.4
29.39%
6.5
26.03%
6.6
21.97%
6.7
18.02%
6.8
14.24%
6.9
10.94%
7.0
7.40%
7.1
4.26%
7.2
1.23%
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%