7.0 magnitude earthquake hits northern California

A series of major earthquakes struck Humboldt County in Northern California on Thursday. The initial magnitude was measured at 6.6, according to the USGS. The earthquake has since been upgraded to magnitude 7.0. A second earthquake struck near Ferndale, measured at magnitude 5.8.

Mexico earthquake felt in Arizona

A 4.6 magnitude earthquake that was detected early Wednesday morning in Mexico may have been felt in southwestern Arizona.