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The East Coast earthquake was caused by a fault that had been dormant for hundreds of millions of years but suddenly reactivated.

City of Newark employee Sushil Nagpal stands in front of homes that were damaged and had to be evacuated after Friday’s earthquake.Spencer Platt/Getty Images The 4.8 magnitude earthquake that occurred on the East Coast on Friday was caused by old faults. The faults were formed when two continents collided about 500 million years ago, creating… Read More »