A 6.0 magnitude earthquake near the California-Nevada border could be felt across much of the Bay Area and Northern California.
The U.S. Geological Survey said the earthquake, with an epicenter 20.5 miles southeast of Markleeville, California along the Antelope Valley fault, occurred at 3:49 p.m. Originally recorded as a 5.9 magnitude earthquake near Smith Valley, Nevada, the agency then upgraded it to a 6.0 magnitude earthquake at 5:38 p.m.
The agency initially recorded a 4.8 magnitude earthquake just outside of Stockton in Farmington fewer than 30 seconds later, but the U.S. Geological Survey then removed the second earthquake from its tracker.
There were no major reports of injuries or damages, a California Office of Emergency Services spokesperson told KCBS Radio's Patti Reising just after 5:20 p.m.
A driver on Interstate 395 near the earthquake's epicenter recorded footage of boulders along the highway.
Wide swaths of Northern California and Nevada could feel shaking.
KCBS reporter Joe Hughes said he felt an earthquake in Antioch, as did his brother in Truckee. A listener felt shaking in Gilroy, and so did another in Folsom.
Some of the 40 or so aftershocks recorded met the minimum threshold of a 4.5 magnitude, but the U.S. Geological Survey's "ShakeAlert" early warning system didn't notify some users. The agency is investigating why.
The largest recorded aftershock came in at a 4.7 magnitude.
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