Earthquake Information for Marietta Alderwood, Washington

Marietta Alderwood, WA has a high earthquake risk, with a total of 369 earthquakes since 1931. The USGS database shows that there is a 70.24% chance of a major earthquake within 50km of Marietta Alderwood, WA within the next 50 years. The largest earthquake within 30 miles of Marietta Alderwood, WA was a 4.4 Magnitude in 1990.

Risk Level:
High
Total Number of Earthquakes in Marietta Alderwood since 1931 within 30 miles
369
Probability of A 5.0 Earthquake within next 50 years
70.24%

Earthquake Probability for Marietta Alderwood, WA

View the probability of a major earthquake within the next 50 years in Marietta Alderwood, 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
70.24%
5.1
64.84%
5.2
64.84%
5.2
59.48%
5.3
54.29%
5.4
49.33%
5.5
44.67%
5.6
40.34%
5.7
36.36%
5.8
32.74%
5.9
29.45%
6.0
26.49%
6.1
23.50%
6.2
20.80%
6.3
18.25%
6.4
15.94%
6.5
13.72%
6.6
11.50%
6.7
9.30%
6.8
7.23%
6.9
5.22%
7.0
3.35%
7.1
1.88%
7.2
0.49%
7.3
0.19%
7.4
0.12%
7.5
0.05%
7.6
0.02%
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%