Largest scale successful real-time evacuation after the Wenchuan earthquake in China: lessons learned from the Zengda gully giant debris flow disaster
A catastrophic debris flow occurred in the Zengda gully, a branch of the Dajinchuan River in Zengda town, Jinchuan County, Sichuan Province, China.The successful implementation of a real-time evacuation avoided 820 casualties for people living in 200 settlements.This was the largest-scale successful real-time evacuation for a debris flow disaster a