EUREKA (CBS SF) — An earthquake with a preliminary magnitude of 4.5 struck Sunday afternoon just offshore from Petrolia on California’s rugged North Coast.

The USGS reports the first quake struck at 2:18 p.m. at a depth of 4 miles and it was followed by 2 aftershocks, a magnitude 3.4 quake at 3:13 p.m. and a magnitude 4.0 shaker at 3:43 p.m.

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There were no reports of damage as of 3:30 p.m.

COMPLETE QUAKE COVERAGE: CBS Earthquake Resource Center

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

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Strong earthquakes with an epicenter off the coast can trigger tsunamis, depending on the size and type of the fault movement. The Pacific Tsunami Warning Center tracks earthquake data for the West Coast.

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