Southern Mexico—Earthquakes, Tectonics, & Earthquake Early Warning

From www.iris.edu/educate
In 1985, a Great magnitude 8.1 subduction-zone earthquake occurred beneath the coast of Michoacan Mexico. Despite the 350-km distance from the earthquake epicenter to Mexico City,most of the 9,500 fatalities occurred there. That earthquake prompted Mexico to develop an earthquake alert system for all of Southern Mexico. 
This animation describes the tectonic and geologic process that affect the region, including Magnitude, Basin Amplification, Building Resonance.

Directed by Robert Butler, University of Portland
Animation & graphics by Jenda Johnson 
Written by Diego Melgar & Robert Butler
Narrated by Ezequiel Delgado-Cervantes
Consultants: Diego Melgar & Luciana Astiz, U.C. San Diego

Made possible by a grant from the National Science Foundation

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