7.0-Magnitude Earthquake Off Northern California Coast Prompts Tsunami Warning

Eureka, California - A powerful earthquake with a preliminary magnitude of 7.0 struck off the coast of Northern California late Thursday morning, according to data released by the U.S. Geological Survey (USGS). The seismic event occurred over the Pacific Ocean, approximately 50 miles southwest of Eureka, California, a significant coastal city situated about 300 miles northwest of Sacramento.