California earthquake warning: 6.3 magnitude quake rocks US East Coast amid Big One fears A MASSIVE 6.3 magnitude earthquake has struck off the coast of California as the Ring of Fire continues to show signs of increased activity. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:NASA BOMBSHELL: Incredible CRACKS on the Moon spark shock claim Moon is an 'active world’Blue Moon 2019: What is a Blue Moon? Will the Moon really turn blue this week?Yellowstone volcano: How HUGE earthquake BROKE seismometer – 'Too much SHAKING!’NASA asteroid tracker: A GIANT space rock will fly over Earth TOMORROW at 15,100MPHSolar storm INCOMING: A powerful stream of energy from the Sun will strike Earth TOMORROWTrilobites: Striking Down the Queen Won’t Save You From the Swarm