Boulders roll onto highway following 6.0 California-Nevada earthquake, aftershocks expected for days

Boulders roll onto highway following 6.0 California-Nevada earthquake, aftershocks expected for days

A magnitude 6.0 earthquake along the California-Nevada border south of Lake Tahoe sent boulders cascading onto a freeway and has been followed by dozens of aftershocks, according to the U.S. Geological Survey.