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People check their mobile phones after a 5.4 magnitude earthquake in Mexico City on March 20, 2015. Omar Torres/AFP/Getty Images

An earthquake struck central Mexico on Friday, shaking buildings in the capital of Mexico City and sending office workers running out into the streets. There were no immediate reports of casualties or other damage.

According to the U.S. Geological Survey, the quake registered at a moderate magnitude of 5.5. It struck at 4:30 p.m. local time, in the state of Puebla near the town of Tulcingo del Valle, which is located about 100 miles southeast of Mexico City. The earthquake’s depth was about 45 miles.

According to the Associated Press, Mexico City mayor Miguel Angel Mancera said that while there had been no official reports of injuries or other damages, there had been many evacuations in the capital.

Mexico is particularly vulnerable to earthquake activity, thanks to its location atop three large tectonic plates.