Live updates: Tsunami warning cancelled after 7.0 earthquake strikes off California BBC.comNorthern California earthquake today: Magnitude 7.0 quake strikes Humboldt County, USGS reports; tsunami warning canceled ABC7 Bay Area7.0 Earthquake Rattles Northern California and Prompts Tsunami Warning The New York TimesM 6.6 - 63 km WNW of Petrolia, CA USGS Earthquake Hazards ProgramTsunami threat ends for Northern California, Oregon coasts after major 7.0 earthquake Fox Weather