A 4.1 magnitude struck near Isleton, California in Sacramento County Wednesday morning, according to the U.S. Geological Survey.
About 150 feet under the Berkeley Hills, you'll find an isolated environment away from cars, trees and wind. As Seismology Professor Dr. Peggy Hellweg describes it, "Nothing is perfectly still but as close as you can get, yes."
A 4.5 magnitude earthquake rattled the Bay Area late last night. People as far away as Tahoe and Chico felt it. There are no reports of major damage or injuries.
The quakes keep coming! Hundreds of aftershocks were felt in Southern California since a magnitude 6.4 earthquake rattled the region.
An early alert system to warn of earthquakes seconds before they are felt will be tested in Los Angeles this year.
