Pierce County, WA has a very high earthquake risk, with a total of 105 earthquakes since 1931. The USGS database shows that there is a 82.42% chance of a major earthquake within 50km of Pierce County, WA within the next 50 years. The largest earthquake within 30 miles of Pierce County, WA was a 6.8 Magnitude in 2001.
View the probability of a major earthquake within the next 50 years in Pierce County, WA.
View the number of earthquake incidents in Pierce County, WA by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Pierce County, WA within 30 miles. All distances and depths in the table are measured in miles.