Data shows parts of the state may be overdue for a major earthquake. But here's the catch: We can't predict exactly when or where it will happen. Moses Small breaks down how it all works.

The United States Geological Survey reports a preliminary magnitude 3.7 earthquake struck near The Geysers, CA on Saturday.

A 3.7 magnitude earthquake rattled parts of the North Bay Friday, with its epicenter at The Geysers in Lake County, according ...

At the heart of this fault system lies the Main Marmara Fault (MMF), an underwater fault located just a few kilometers south ...

A major earthquake waiting to strike the Cascadia Subduction Zone isn’t the only natural disaster looming in the Pacific ...

A major earthquake in the Pacific Northwest could sink land and expand flood zones, putting thousands more at risk.

A new study is fueling speculation and fear about the risks of a major earthquake in the Cascadia subduction zone, including ...

The Cascadia subduction zone could pose a major threat to the West Coast if a high magnitude earthquake were to occur, ...

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

A future Cascadia earthquake could unleash far more than just devastating shaking — it could sink large parts of the Pacific ...

When an earthquake rips along the Cascadia Subduction Zone fault, much of the U.S. West Coast could shake violently for five ...

The US cities are most at risk of major earthquake danger this yearA 700-mile-long fault line that runs along the West Coast ...