Strong Ground Motion from the Michoacan, Mexico, Earthquake

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Science  05 Sep 1986:
Vol. 233, Issue 4768, pp. 1043-1049
DOI: 10.1126/science.233.4768.1043


The network of strong motion accelerographs in Mexico includes instruments that were installed, under an international cooperative research program, in sites selected for the high potenial of a large earthquake. The 19 September 1985 earthquake (magnitude 8.1) occurred in a seismic gap where an earthquake was expected. As a result, there is an excellent descripton of the ground motions that caused the disaster.