Magnitude 4.3 Earthquake Strikes Off NorCal Coast

CBS San Francisco

EUREKA (CBS SF) — A earthquake registering a preliminary magnitude of 4.3 struck off the coast of Eureka, California, according to the U.S. Geological Survey’s automated seismograph alert network.

The quake struck an estimated depth of 6 miles below the earth’s surface at approximately 6:40 p.m. Deeper quakes are less noticeable while a shallow quake–in the 0 to 40 mile depth range–can feel much stronger than their actual reported magnitude. Quakes just below the earth’s surface, in the 0 to 10 miles range, can cause even more damage at lower magnitudes.

COMPLETE QUAKE COVERAGE:CBS Earthquake Resource Center

This article will be updated as information warrants, and follow KPIX 5 on Twitter at @CBSSF or KCBS Radio on Twitter at @KCBSNews for updates on breaking news anytime.

DID YOU FEEL IT?:USGS Shake Map For Northern California
LIVE QUAKE MAP: Track Real-Time Hot Spots
BAY AREA FAULTS:Interactive Map Of Local Faults

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