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

A powerful, atmospheric river-driven storm is hitting California today, bringing with it heavy rain, strong winds and feet of Sierra snow. The storm, which prompted a lengthy flood advisory for San ...

Rain bringing possible flooding and risks of debris flows near the burn scar of last year's Airport Fire​ led to Orange County officials announcing Wednesday that evacuation warnings for those areas ...