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:Black hole SHOCK: How Albert Einstein was RIGHT about the universe more than 100 years agoUK weather forecast WARNING: 5G will 'confuse' weather satellites and disrupt forecastsCalifornia MEGA-QUAKE long overdue and it will SPLIT THE GROUND - USGS warningGlobal Health: Measles Outbreak Now at 880 Cases, With Fastest Growth Still in New YorkWhy Tuesday’s City Primary Could Mean the End of Philadelphia’s Soda Tax‘We MUST be Martians’: Mankind has NO CHOICE but to colonise Mars, says Prof Brian Cox