Magnitude-5.1 quake strikes off northern Calif.

EUREKA, Calif. The U.S. Geological Survey says in a preliminary report that the magnitude-5.1 quake struck at 2:27 a.m. Sunday at a depth of about 11.5 miles.

It was centered offshore, about 41 miles southwest of Eureka and 208 miles northwest of Sacramento.

A Humboldt County sheriff's dispatcher says she felt a light tremor in her Eureka office, but that the department has received no word of injuries or damages in the area.