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© Reuters/Edgard Garrido
Workers evacuate a building after a 5.2 magnitude earthquake happened in Mexico City, Mexico September 30, 2015.
An earthquake caused buildings to shake in Mexico City and triggered quake alarms on Wednesday, but there were no immediate reports of damage.

The earthquake registered a magnitude of 5.2, Mexico's national seismological service said.

The head of Mexico's emergency services, Luis Felipe Puente, said on Twitter that he had not received any reports of damage.