A massive 6.9-magnitude earthquake hit off the coast of Northern California Sunday evening, 50 miles west of Eureka, Calif., according to the USGS.
The earthquake was recorded at around 10:18 p.m. Pacific and KTVU viewers say they felt it as far away as Redwood City.
"Felt the Eureka earthquake all the way down here in Redwood City. Friends up there say
shaking lasted 30-60 seconds," wrote viewer Kristopher Rowberry on KTVU's Facebook page.
USGS seismologist Susan Hoover says more than 300 people have reported feeling the temblor on their website as of 10:49 p.m., according to the Associated Press.
By 11:15 p.m., that number had increased to 1300 people.