Okanogan County, WA has a moderate earthquake risk, with a total of 50 earthquakes since 1931. The USGS database shows that there is a 16.55% chance of a major earthquake within 50km of Okanogan County, WA within the next 50 years. The largest earthquake within 30 miles of Okanogan County, WA was a 4.4 Magnitude in 1989.
View the probability of a major earthquake within the next 50 years in Okanogan County, WA.
View the number of earthquake incidents in Okanogan County, WA by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Okanogan County, WA within 30 miles. All distances and depths in the table are measured in miles.