MILPITAS (CBS SF) — A 2.9-magnitude earthquake hit early Friday morning, just days after a swarm of quakes rattled the shoreline of the Calaveras Reservoir.

Friday's quake usgs map

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The center of the quake hit at 8:39 a.m. about six miles away from Milpitas. No other tremors were recorded.

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No one reported injuries or structure damage by press time.

On Tuesday, three small temblors ranging from 2.7 to 3.3 in magnitude hit that morning within a three-hour span. No one was injured and no buildings were harmed.

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“It’s just California, it is what it is,” Milpitas resident Norman Arnold said in the wake of Tuesday’s earthquake swarm.