Authorities are still looking into what caused a train derailment in Muscatine County.

It happened Sunday afternoon, when about 20 rail cars jumped the tracks between Atalissa and Moscow, Iowa. TV-6 viewer, Cheryl Wadden sent in pictures of the wreck, shot from her backyard.

The Muscatine County Sheriff's Department says no one was hurt and the accident posed no threat to public safety.

Officials from the railroad company are examining the train and trying to figure out what happened.