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

NASA scientists used satellite measurements to map out local subsidence and uplift across the Golden State, which plays into ...

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 ...

Reflecting intensifying wildfires and updated science, new state maps designate nearly two-and-a-half million acres of local ...

Scientists using seismic data tracked groundwater levels beneath the L.A. area. They found heavy rains in 2023 boosted ...

Over the three-day storm, L.A. County's burn areas are expected to receive several inches of rain. How fast the rain falls ...

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