Lamont Weekly Report, September 22, 2017
This has been a terrible month for natural disasters, with two major earthquakes in Mexico and multiple Atlantic hurricanes. On Tuesday, a magnitude 7.1 earthquake southeast of Mexico City produced widespread structural damage and more than 200 fatalities (https://www.nytimes.com/2017/09/20/world/americas/mexico-earthquakes-explainer.html). The normal faulting event occurred at 50 km depth, probably within the subducting Cocos plate, according to the U.S.