Study examines possibility of monster earthquake in NorCal, but experts say there’s a bigger threat to Los Angeles [Video]

LOS ANGELES — Could a monster earthquake sink a portion of Northern California? A new study calculates the risk of where and how much land could sink, but experts say there’s something else closer to home that we should be concerned about.

The Cascadia fault line is the focus of the new study conducted by Proceedings of the National Academy of Sciences. It breaks down the flooding potential a 9.0 earthquake could bring to the Pacific Northwest and the Northern California coastline.

It’s a fault about 700 miles long, running from Northern California all the way up to Vancouver, British Columbia, capable of producing a massive quake – which was last seen in 1700.

While the study could look alarming, it’s a possibility that has actually been known for a few decades. But according to seismologist Dr. Lucy Jones, the bigger concern is actually in Southern California.