A long-feared monster earthquake off the coast of California, Oregon and Washington could cause some areas to sink by more ...

California DWR data shows Lake Oroville at 99 percent capacity, which is 122 percent of its historical average for this time of year. Lake Shasta, California's largest reservoir, also is in good shape ...

Nearly 36,000 structures would be threatened by the resulting quake-influenced flood plain, a 168% increase from the current figure of about 13,000. Read more:The California tsunami danger is real.

Nearly 36,000 structures would be threatened by the resulting quake-influenced flood plain, a 168% increase from the current figure of about 13,000. Read more: The California tsunami danger is real.

A new study warns that a megathrust earthquake along the Cascadia Subduction Zone could cause coastal land to sink permanently.

Using special equipment that sends an electromagnetic signal into the ground, the choppers were able to determine how the current ... canal gates and flood her land. The prevalence of this kind of ...

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A powerful earthquake, combined with rising sea levels, could significantly increase flood risks in the Pacific Northwest, impacting thousands of residents and properties in northern California ...