7.0 magnitude earthquake reported in Northern California, tsunami warning in effect ABC NewsM 7.0 - 99 km WSW of Ferndale, California USGS Earthquake Hazards ProgramNorthern California, Oregon coasts under tsunami warning after major earthquakes Fox Weather 7.0-magnitude earthquake rattles Northern California CNNLIVE: Magnitude 7.0 earthquake strikes Humboldt County, USGS reports; tsunami warning issued ABC7 Los Angeles