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Lessons from the Sept. 19 Mexico earthquake

from Engineering News-Record

On the 32nd anniversary of the magnitude-8.1 earthquake that devastated Mexico City on Sept. 19, 1985, 41 U.S. seismic experts were in a workshop near Los Angeles, polishing a new tool to identify “killer” buildings: nonductile concrete structures that often perform poorly in quakes. Suddenly, the attendees started getting pager alerts from the U.S. Geological Survey: A magnitude-7.1 quake had struck about 120 kilometers from Mexico City. more


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