Mexico city

Mexico city

1985 Mexico City earthquake witn a magnitude  of 8.0 struck in the early morning of 19^th September at 7:17:50 am. A Mercalli Intensity of IX . The event caused serious damage to the Greater area of Mexico City  and the deaths of at least 5,000 people. The sequence of events included a foreshock of magnitude 5.2 that occurred the prior May, the mainshock on september 19^th, and two large aftershocks. The first   occurred on  september 20^th with a magnitude of 7.5 and the  occurred seven months later on  april 30^th 1986 with a magnitude of 7.0. They were located off the coast along theMiddle America Trench, more than 350 kilometres (220 mi) away, but the city suffered major damage due to its large magnitude and the ancient lake bed that Mexico City sits on. The event caused between three and four billion USD in damage as 412 buildings collapsed and another 3,124 were seriously damaged in the city.