It’s every Californians worst nightmare.

Now experts are warning “The Big One” could be even worse than feared due to a horrific domino effect that could wipe out the West Coast.

ScienceDaily this week highlighted a concerning study from Oregon State University showing a seismic event on the Cascadia subduction zone could trigger the San Andreas fault line.

“We’re used to hearing the ‘Big One’ – Cascadia – being this catastrophic huge thing,” said Chris Goldfinger , a marine geologist at the college and lead author of the study.

“We’re used to hearing the ‘Big One’ – Cascadia – being this catastrophic huge thing,” said Chris Goldfinger , a marine geologist at Oregon State University and lead author of the study. “It turns out it’s not the worst-case scenario.” AP

Goldfinger says if both faults went off, it would be a multi-state and international emergency situation spanning from San Francisco, Portland, Seattle, to Vancouver.…