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

Yesterday was the first significant storm that we’ve had here in Southern California the entire winter,” Alex Tardy from National Weather Service San Diego said.

On Friday, the storied coastal road had dissolved into a river of mud and debris after a powerful rainstorm sent those burned ...

The heaviest rain slammed into the region Thursday night into early Friday morning, triggering flash floods and mudslides ...

Adaptation can also involve changing how and where people live, prohibiting them from rebuilding in areas that repeatedly ...

Officials are grappling with the aftermath of the atmospheric river which caused mudslides and floods, especially in areas impacted by wildfires.

The Santa Clara Valley Water District says after the dry start to the year, water levels at their reservoirs went from 70% of normal in mid-January to 82% by mid-February.

More than a dozen atmospheric rivers dumped rainfall on California in 2023 but replenished only 25 percent of the water lost from aquifers since 2006.

Historic rains filled Greater Los Angeles reservoirs and shallow aquifers nearly to capacity in 2023. But drought conditions ...

A powerful storm with an atmospheric river threatens to bring life-threatening flooding and debris flow from Los Angeles ...

Researchers at Stanford University developed a new method to measure water levels in the state’s aquifers using readily available seismic data.

The Los Angeles area’s groundwater remained depleted even after a series of historic atmospheric rivers struck the region in ...