Portage, WI has a very low earthquake risk, with a total of 0 earthquakes since 1931. The USGS database shows that there is a 0.31% chance of a major earthquake within 50km of Portage, WI within the next 50 years.
View the probability of a major earthquake within the next 50 years in Portage, WI.
See Wisconsin Earthquake Report or Columbia County, WI Earthquake Report