A 6.9-magnitude earthquake struck off the coast of the U.S. state of California early Monday, the U.S. Geological Survey (USGS) said.
The quake, which occurred at 0518 GMT, was located 77 km northwest of Ferndale, California, with a depth of 7 km, according to the global earthquake monitoring agency.
The Humboldt County Sheriff’s Department, which oversees most of the populated areas near the quake, says there have been no calls about damage or injuries.
USGS seismologist Susan Hoover says more than 300 people have reported feeling the temblor on their website.
There is not believed to be any threat of a tsunami, according to the Pacific Tsunami Warning Center.