Southern California was rattled by a 7.1 magnitude earthquake on Friday night, the second in less than two days.

Iran Press/America: The United States Geological Survey said Friday's quake had a magnitude of 7.1, and the epicenter of the temblor that struck at 8:20 p.m. was about 10 miles northeast of Ridgecrest.

Friday night, the power went out in Ridgecrest, a city of 27,600, around 100 miles north of Los Angeles, according to NBC.

The quake was centered near the location of the July 4th 6.4 magnitude temblor that was the largest in nearly 20 years.

That earthquake caused minor damage and injuries around the epicenter.

The Ridgecrest area has had more than 100 aftershocks since Thursday’s earthquake and experts warn there could be more to come.

Meanwhile, California governor declared state of emergency in affected areas.

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