Mendocino County faces a 5.6 earthquake—the strongest since 1940—causing mild shake but no damage or injuries, spotlighting Northern California seismic risk.
A 5.6-magnitude earthquake struck inland Mendocino County near Potter Valley, with the USGS placing the epicenter about 7 miles northwest of Willits. The quake was felt from Willits to Fort Bragg, prompting reports of minor damage and shaken residents. Aftershocks are expected but likely small.