Magnitude 4.0 Earthquake Rattles Lake County Near a Fault That Could Produce M7 Quakes
A magnitude 4.0 earthquake struck Lake County, California, at 5:01 a.m. PT Wednesday, jolting residents and campers near Lake Pillsbury and marking the largest event in a 12-quake October sequence along the Bartlett Springs Fault Zone — a system that USGS- …