Five questions: What a Cal State Fullerton professor is learning about deadly mudslides

Civil engineering professor Binod Tiwari stands at the village of Langtang, Nepal, where a debris avalanche killed more than 300 people in 2015. He flew by helicopter to conduct a field investigation of the debris avalanche. (Photo courtesy of Cal State Fullerton)Binod Tiwari, Cal State Fullerton professor of civil and environmental engineering, has studied mudslides and landslides around the world, including in Southern California, to understand their causes and mitigate their devastation. (Pho