The most recent risk assessment, outlined in maps published by the California Geological Survey, illustrate the devastation possible from extreme-but-realistic scenarios.

The National Weather Service issued a flash flood warning for the San Fernando Valley Thursday afternoon. The advisory will ...

The creation of this content included the use of AI based on templates created, reviewed and edited by journalists in the newsroom. Read more on our AI policy here. On Sunday at 1:46 p.m. the NWS ...

Modernized changes to long-held operating procedures at the dams walling Lake Oroville and New Bullards Bar Reservoir in Northern California could improve flood safety for communities along the ...

California, meanwhile, was bracing for an atmospheric river that could flood areas ravaged by the ... appearance Six presumed dead after private plane crashes in muddy field in upstate New York ...

The risk of damaging flooding from a major tsunami may be ... which prompted a tsunami warning affecting millions in Northern California—was a blaring reminder of that. Should a significant ...