Larchwood, IA has a very low earthquake risk, with a total of 0 earthquakes since 1931. The USGS database shows that there is a 0.37% chance of a major earthquake within 50km of Larchwood, IA within the next 50 years.
View the probability of a major earthquake within the next 50 years in Larchwood, IA.
See Iowa Earthquake Report or Lyon County, IA Earthquake Report