NORTHERN CALIFORNIA – A 6.9-magnitude earthquake struck off the Northern California coast Sunday night, with thousands of people reporting that they felt the quake.

The US Geological Survey said the quake hit at 10:18 p.m., and was centered 48 miles west northwest of Ferndale and 50 miles west of Eureka, at a depth of 4.3 miles.

Fourteen minutes before the quake occurred, a 3.3-magnitude quake was recorded near 52 miles west northwest of Ferndale, the US Geological Survey said.

During the five hours following the 6.9-magnitude quake, 15 smaller earthquakes occurred in the same area, ranging between 2.5 and 4.6 in magnitude, US Geological Survey records showed. During that time there also were two small earthquakes – measuring 2.6 and 2.7 in magnitude – near Rio Dell.

As of 3:30 a.m. Monday, the US Geological Survey had received 3,849 shake reports from 334 zip codes and 17 around California – including from Lake and Mendocino counties – as well as Oregon and Nevada on the 6.9-magnitude temblor.

The Pacific Tsunami Warning Center said there is no tsunami threat to the West Coast, and as of midnight to tsunami warnings, watches or advisories had been issued.

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