These are two very different fault systems, but the sediment record suggests that in the past, at least three San Andreas ...

The West Coast of North America is a geologically tumultuous zone where tectonic plates collide, subducting under and ...

The annual Great California ShakeOut saw over 10 million residents across the state practise earthquake safety drills, ...

A Cascadia subduction zone earthquake is coming for the Pacific Northwest, and when it hits, scientists now believe, it could ...

A major earthquake hasn’t struck any of California’s biggest cities in more than three decades, but the “Big One” is a matter ...

Scientists compared sediment deposits created by underwater landslides from earthquakes within the Cascadia Subduction Zone ...

A mega-earthquake might be triggered by two volatile faults, striking in unison, with one quake nudging the other into ...

Scientists from Oregon State University studying sediment layers in the Pacific Ocean have discovered that two of the most notorious faults on the West Coast — the San Andreas Fault in Northern ...

The one-minute drill was developed to teach people what to do when a large temblor strikes. If you have the MyShake app, your ...

Millions of residents, students and office workers in Los Angeles and Orange counties and across the state took part in the ...

Samples from the seafloor reveal evidence of several earthquakes along the West Coast’s two major fault zones happening in ...

A total of 980,458 participants were registered in San Diego to stop everything for a minute to "drop, cover and hold on" at ...