The US Geological Survey has reported an earthquake with a magnitude of 6.5 in the Pacific Ocean off the coast of Northern California, with an epicenter 102 miles west of Ferndale.
Seismographs registered the quake at 6:49am local time (2:49 GMT), along the Mendocino Fault, at the coordinates 40.507° North and 126.118° West, ten kilometers (6.2 miles) below sea level.
Reuters initially reported the quake was 6.8 in magnitude, in line with the National Weather Service reports for the same incident.
No tsunami warning was issued.