A late-night 5.2-magnitude earthquake shook the Pacific Ocean off the Northern California coastline, the U.S. Geological Survey reported. The 6-mile deep quake hit about 50 miles west of Petrolia at ...
An earthquake with a preliminary magnitude of 5.3 struck in the Pacific Ocean about 45 miles west-northwest of Petrolia, at 11:21 p.m. Saturday, the U.S. Geological Survey said.