Mudslides are dangerous torrents that are usually referred to by geologists and first responders as debris flows.

In Southern California, large swaths of burned land from recent wildfires remain vulnerable to the rain and could quickly become sites of mudslides, forecasters warned. Last week, San Francisco ...

Mudslides stretched about more than 2 km in Atami, Shizuoka Pref. Officials say at least 54,000 cubic meters had been used to fill a valley in roughly the area where the mudslide began.