But Sunday's mudslide near Collbran, Colo., was bigger than any for a long time.
Mesa County Sheriff Stan Hilkey says the area remains unstable and is dangerous for searchers to continue.
Crews continue to search for three men reported missing after Sunday's slide in a remote area near the town of Collbran.
Three people are reported missing after a four-mile-long mudslide near the town of Collbran.
Two prominent members of the scientific community explore whether recent floods, fires and drought were caused by climate change and human actions.