1985 Mexico City earthquake | |
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| Total costs | N/A |
| Deaths | 10000 |
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 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.
Source: Wikipedia 1631 Mount Vesuvius | |
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| Total costs | N/A |
| Deaths | 3360 |
In December 1631, Mount Vesuvius in Italy erupted. The eruption began on 16 December 1631 and culminated the day after. The Volcanic Explosivity Index was VEI-5, and it was a Plinian eruption that buried many villages under the resulting lava flows. It is estimated that between 3000 and 6000 people were killed by the eruption, making it the highest death toll for a volcanic disaster in the Mediterranean in the last 1800 years. The 1631 eruption was considered to be of minor proportions regarding its eruptive magnitude and erupted volumes compared to the AD 79 eruption, but the damage was not. By the 1631 eruption, the summit of Mount Vesuvius had been reduced by 450m, making its total height lower than that of Mount Somma.
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