FILE - A worker rides a bicycle in front of the reactor building of the Bushehr nuclear power plant, just outside the southern city of Bushehr, Oct. 26, 2010.
A magnitude 5.1 earthquake struck near Iran's Bushehr nuclear plant on Friday, the U.S. Geological Survey said.
The quake was moderate, which can cause considerable damage, and was centered 33 miles (53 km) east of Bushehr, a nuclear plant on Iran's southern coast.
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