A one-of-a-kind statistical model for evaluating earthquake risk is boosting an effort by seismologists to more effectively communicate to the public when the chances of a major earthquake rise.
A draft report prepared by government scientists contains stark warnings about the threat posed by climate change, findings that contradict claims made by President Trump.
The California Geological Survey has released a draft of the Santa Monica fault map, which, when finalized, will restrict development on top of the earthquake fault.
Water diverted to metropolitan areas along the coast will expose large swaths of lake bed and drastically increase salt levels in the lake.
Infographics show how the Los Angeles County Department of Public Works catches stormwater.
Santa Monica is now poised to enter a new frontier in earthquake safety that could have implications for other cities looking at seismic retrofitting. The City Council on Tuesday tentatively approved the nation’s most extensive seismic retrofitting effort, which could require safety improvements...
Armed with rocks and concrete, officials have been battling to fortify an earthen hillside next to Lake Oroville that has eroded — a critical task in case the reservoir overflows again. A quarry is being worked around the clock to produce boulders that are being used in a desperate attempt to plug...