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5.7-Magnitude Quake In Ocotillo Shakes San Diego

A moderate earthquake shook Southern California Monday night. The magnitude-5.7 earthquake was centered near Ocotillo, approximately 70 miles east of San Diego, along the Mexican border.

Scientists from the U.S. Geological Survey said the quake was an aftershock to the Easter Sunday earthquake. It’s the sixth aftershock to measure a magnitude 5.0 or larger.

The magnitude-7.2 Easter earthquake "caused the crust to re-adjust itself by having a further series of earthquakes and these are all aftershocks,'' seismologist Kate Hutton of Caltech said. "Most occur on the same fault zone as the main shock, but they can branch off. They can be on adjacent faults also. This is a large member of this aftershock sequence.''

San Diego's Petco Park swayed during the earthquake and it briefly halted the San Diego Padres game.

San Diego County Office of Emergency Services officials said they made calls to all cities in the county and found no reports of significant damage or injuries.

The earthquake follows a series of temblors that struck Southern California over the weekend.

City News Service contributed to the information in this report.

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