Yuan Renmao, chief expert in Earthquake and Geological Hazard Risk Research at the Institute of Geology, China Earthquake Administration, explains: huge terrain elevation drop (2–3 km) + sudden cross-border onset = no warning, no evacuation window.

Source: Knews

Editor: Duan Zengyan, Lazhen Wangmo

Translator: Zhi Xinghua

First Reviewers: Zhi Xinghua, Zhang Qi

Second Reviewer: Li Chengye 

Third Reviewer: Hu Rongguo