1600 Huaynaputina | |
|---|---|
| Total costs | N/A |
| Deaths | 1500 |
Huaynaputina ( WY-nə-puu-TEE-nə; Spanish: [wajnapuˈtina]) is a volcano in a volcanic high plateau in southern Peru. Lying in the Central Volcanic Zone of the Andes, it was formed by the subduction of the oceanic Nazca Plate under the continental South American Plate. Huaynaputina is a large volcanic crater, lacking an identifiable mountain profile, with an outer stratovolcano and three younger volcanic vents within an amphitheatre-shaped structure that is either a former caldera or a remnant of glacial erosion. The volcano has erupted dacitic magma. In the Holocene, Huaynaputina has erupted several times, including on 19 February 1600 – the largest eruption ever recorded in South America – which continued with a series of events into March. Witnessed by people in the city of Arequipa, it killed at least 1,000–1,500 people in the region, wiped out vegetation, buried the surrounding area with 2 metres (7 ft) of volcanic rock and damaged infrastructure and economic resources. The eruption had a significant impact on Earth's climate, causing a volcanic winter: temperatures in the Northern Hemisphere decreased; cold waves hit parts of Europe, Asia and the Americas; and the climate disruption may have played a role in the onset of the Little Ice Age. Floods, famines, and social upheavals resulted. This eruption has been computed to measure 6 on the Volcanic Explosivity Index (VEI). The volcano has not erupted since 1600. There are fumaroles in the amphitheatre-shaped structure, and hot springs occur in the region, some of which have been associated with Huaynaputina. The volcano lies in a remote region where there is little human activity, but about 30,000 people live in the immediately surrounding area, and another one million in the Arequipa metropolitan area. If an eruption similar to the 1600 event were to occur, it would quite likely lead to a high death toll and cause substantial socioeconomic disruption. The Peruvian Geophysical Institute announced in 2017 that Huaynaputina would be monitored by the Southern Volcanological Observatory, and seismic observation began in 2019.
Source: Wikipedia 1948 Ashgabat earthquake | |
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| Total costs | N/A |
| Deaths | 110000 |
The 1948 Ashgabat earthquake (Turkmen: 1948 Ашгабат ертитремеси, romanized: 1948 Aşgabat ýertitremesi; Russian: Ашхабадское землетрясение 1948 года, romanized: Ashkhabadskoye zemletryasenie 1948 goda) was on 6 October with a surface wave magnitude of 7.3 and a maximum Mercalli intensity of X (Extreme), in Turkmenistan near Ashgabat. Due to censorship by the Soviet government, the event was not widely reported in the USSR's media. Historians tend to agree that the ban on reporting the extent of the casualties and damage did not allow the Soviet government to allocate enough financial resources to adequately respond. It was the strongest earthquake recorded in Turkmenistan.
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