Dale, Illinois is a populated place which is located in Hamilton County, Illinois, United States. The elevation of this place is 400 feet. The community is on the New Madrid Seismic Zone. The biggest earthquake in Illinois history was a 5.4 quake (although reported as a 5.5 at the time) on November 9, 1968 near the community. The quake damaged the civic building at Henderson, Kentucky and was felt in 23 states. People in Boston said their building swayed.