A strong 6.4-magnitude earthquake struck off the coast of northern California on Tuesday, United States Geological Survey said.
The earthquake was at a depth of 16.1km, USGS said, adding that it struck 12km west-southwest of Ferndale, California.
Ferndale, a town of about 15,000 people, is 420 km north of San Francisco and 31.54km south of Eureka, California.
There was no risk of a tsunami after the quake, the U.S. tsunami warning system said.


New Lebanon-Israel talks begin in shadow of US-Iran deal
EU hosts Taliban officials in Brussels for first time
US waives Iran sanctions, Trump warns Tehran it must abide by agreement
Forty drown in France as people seek relief from heatwave
Israeli gunfire kills two people in south Lebanon, civil defence says
