MEXICO CITY (CBS4) – A powerful earthquake hit Mexico Tuesday, destroying buildings and scattering rubble into the streets.

At least 55 people have died as a result of the quake.

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It happened on the anniversary of a devastating 8.1 quake in 1985, which killed thousands of people.

People remove debris of a building which collapsed after a quake rattled Mexico City on September 19, 2017. (credit: OMAR TORRES/AFP/Getty Images)

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The U.S. Geological Survey said this quake had a magnitude of 7.1, and was centered about 76 miles southeast of Mexico City.

Thousands of people fled buildings as it happened. Coincidentally enough, earlier in the day workplaces across the city held preparation drills for earthquakes.

A woman is assisted after being injured during a quake in Mexico City on September 19, 2017.
A powerful earthquake shook Mexico City on Tuesday, causing panic among the megalopolis’ 20 million inhabitants on the 32nd anniversary of a devastating 1985 quake. (credit: OMAR TORRES/AFP/Getty Images)

Picture of a car crashed by debris from a damaged building after a quake rattled Mexico City on September 19, 2017. (credit: ALFREDO ESTRELLA/AFP/Getty Images)

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According to CBS News, much of Mexico City is built on a former lakebed with soil that’s known to amplify the effects of earthquakes.