The 1985 Mexico City earthquake struck in the early morning of 19 September at 07:17:50 (CST) with a moment magnitude of 8.0 and a maximal Mercalli intensity of IX (Violent). The event caused serious damage to the Greater Mexico City area 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 main shock on 19 September, and two large aftershocks. The first of these occurred on 20 September with a magnitude of 7.5 and the second occurred seven months later on 30 April 1986 with a magnitude of 7.0. They were located off the coast along the Middle 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 on which Mexico City sits. The event caused between three and five billion USD in damage as 412 buildings collapsed and another 3,124 were seriously damaged in the city.
An earthquake registering Mw 8.0 struck Mexico City, killing at least 9,000 people and leaving up to 100,000 homeless.
On September 19, in the year 1985, An earthquake registering Mw 8.0 struck Mexico City, killing at least 9,000 people and leaving up to 100,000 homeless. This event is recorded as a Selected Events event in the history of September 19, one of 366 recorded events on this date across all of history.
Key Facts
- This event took place on September 19, 1985 (AD era).
- It is categorised as a Selected Events event in recorded history.
- Referenced in 3 Wikipedia articles.
- The event is associated with a specific geographical location (see map below).
- Wikipedia source last updated on 12 August 2026.
On This Date in History 366
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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