Surfers from around the world are flying into California to catch massive waves, some estimated to be 70 feet tall, smashing into the West Coast, the BBC reports. A massive rogue wave struck Ventura on Thursday, causing about a dozen serious injuries as it swept people off their feet. Beachfront hotels, shops and homes sustained damage. A video posted to Surfer.com shows surfers catching waves at Platform Esther, an oil refinery rig one mile off the coast in Orange County, with waves that far out rising nearly to the bottom platform of the refinery. The waves are primarily driven by the El Niño weather system with the help of a waning moon. (Video from KABC 7 in San Francisco.)