Mexico’s 2017 earthquake emerged from a growing risk zone

03/12/2018 Science Daily

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Source: ABC News

Under Mexico, where the Cocos Plate from the Pacific Ocean slides under the North American Plate, a bending line of hills, created when the seafloor first formed, sits atop a flattened area of subduction.

That newly recognized combination, scientists report, has created a fault that likely explains last September’s Puebla earthquake, scientists report.

On Sept. 19, a 7.1 magnitude quake struck 55 kilometers (34 miles) south of Puebla and 100 kilometers (62 miles) from Mexico City. It caused damage from the capital southeast through the states of Puebla and Morelos. In Mexico City alone, there were 228 deaths and more than 40 buildings collapsed.

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