Scientists warn that supershear earthquakes, quakes that outrun their own seismic waves, pose a hidden danger to California. They’re calling for tougher building standards and better monitoring to prepare for inevitable large quakes. Credit: Shutterstock Researchers from the Statewide California Earthquake Center at USC Dornsife are warning that extremely fast and powerful earthquakes could strike California and are calling for tougher building standards and improved fault monitoring. Most