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.
View the probability of a major earthquake within the next 50 years in Marietta Alderwood, WA.
View the number of earthquake incidents in Marietta Alderwood, WA by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Marietta Alderwood, WA within 30 miles. All distances and depths in the table are measured in miles.