https://phys.org/news/2018-07-social-network-natural-disaster.html

When Brooks and his wife finally returned to their home, all they found were ashes. But they were safe.

Brooks and his family survived thanks to intervention by a concerned neighbor. Many deaths that occur during events such as flooding, fires, hurricanes and mudslides could be prevented by leaving vulnerable areas. But people don't always move, even after receiving evacuation orders or warnings of imminent risk.