This USGS map shows the location of an earthquake on Sunday, Feb. 3, 2019. (KGO-TV)PETROLIA, Calif. -- A 4.4 preliminary magnitude earthquake has struck Northern California near Eureka, according to the USGS. The earthquake struck at 2:18 p.m. and had a depth of about 4 miles. There are no immediate reports of damage.3.4 magnitude earthquake, 2 aftershocks strike Piedmont Report a correction or typo