Richwood, OH has a low earthquake risk, with a total of 0 earthquakes since 1931. The USGS database shows that there is a 1.04% chance of a major earthquake within 50km of Richwood, OH within the next 50 years.
View the probability of a major earthquake within the next 50 years in Richwood, OH.
See Ohio Earthquake Report or Union County, OH Earthquake Report