Fort Lewis, WA has a very high earthquake risk, with a total of 601 earthquakes since 1931. The USGS database shows that there is a 89.64% chance of a major earthquake within 50km of Fort Lewis, WA within the next 50 years. The largest earthquake within 30 miles of Fort Lewis, WA was a 6.8 Magnitude in 2001.
View the probability of a major earthquake within the next 50 years in Fort Lewis, WA.
View the number of earthquake incidents in Fort Lewis, WA by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Fort Lewis, WA within 30 miles. All distances and depths in the table are measured in miles.