Deep learning completes US flood hazard maps revealing millions exposed to previously unrecognized risk

Nature Communications, Published online: 15 June 2026; doi:10.1038/s41467-026-74336-x Millions in the US lack official flood risk data. This study uses an AI model to learn from existing maps and complete the US flood hazard map, revealing over 11 million more people exposed to flood risks, a 69% increase from current official records.