Magnitude 5.7 earthquake hits off northern California: USGS

WASHINGTON - 23 September 2017: A magnitude 5.7 earthquake struck on Friday off the coast of Northern California in the Pacific Ocean, the US Geological Survey (USGS) said, but there were no reports of damage or injury.

It was quickly followed by a second quake of 5.6 closer to shore, the Russia Today TV cited the USGS as saying. The larger temblor was initially reported by the agency as magnitude 5.8.

Both quakes struck west of the California town of Petrolia and were very shallow, amplifying their effects, but a USGS map showed that they were not widely felt along the coast.

The Office of Emergency Services for Humboldt County, California said there were no initial reports of injuries or damage from the quake.