Deadliest U.S. tornadoes
Read on to learn more about some of the most devastating tornadoes in U.S. history.
Tri-State Tornado
This photograph shows the ruins of the Longfellow School in Murphysboro, Ill. where 17 children were killed by the March 18, 1925 Tri-State tornado - the deadliest tornado in U.S. history.The massive tornado traveled 300 miles from southeast Missouri to Indiana and killed 695 people in total.