1257 Mount Samalas | |
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| Total costs | N/A |
| Deaths | 20000 |
In 1257, a catastrophic eruption occurred at the Samalas volcano on the Indonesian island of Lombok. The event had a probable Volcanic Explosivity Index of 7, making it one of the largest volcanic eruptions during the current Holocene epoch. It created eruption columns reaching tens of kilometres into the atmosphere and pyroclastic flows that buried much of Lombok and crossed the sea to reach the neighbouring island of Sumbawa. The flows destroyed human habitations, including the city of Pamatan, which was the capital of a kingdom on Lombok. Ash from the eruption fell as far as 340 kilometres (210 mi) away in Java; the volcano deposited more than 10 cubic kilometres (2.4 cu mi) of rocks and ash. The eruption was witnessed by people who recorded it on the Babad Lombok, a document written on palm leaves. It left behind a large caldera that contains Lake Segara Anak. Later volcanic activity created more volcanic centres in the caldera, including the Barujari cone, which remains active. The aerosols injected into the atmosphere reduced the solar radiation reaching the Earth's surface, causing a volcanic winter and cooling the atmosphere for several years. This led to famines and crop failures in Europe and elsewhere, although the exact scale of the temperature anomalies and their consequences is still debated. The eruption may have helped trigger the Little Ice Age, a centuries-long cold period during the last thousand years. Before the site of the eruption was known, an examination of ice cores around the world had found a large spike in sulfate deposition around 1257, providing strong evidence of a large volcanic eruption having occurred somewhere in the world. In 2013, scientists linked the historical records about Mount Samalas to these spikes.
Source: Wikipedia 1941 Huaraz avalanche | |
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| Total costs | N/A |
| Deaths | 6000 |
Huaraz ([waˈɾas]) (from Quechua: Waraq or Waras, 'dawn'), founded as San Sebastián de Huaraz, is a city in Peru. It is the capital of the Ancash Region (State of Ancash) and the seat of government of Huaraz Province. The urban area's population is distributed over the districts of Huaraz and Independencia. The city is located in the middle of the Callejon de Huaylas Valley and on the right side of the river Santa. The city has an elevation of approximately 3050 metres above sea level. The built-up area covers 8 km2 and has a population of 120,000 inhabitants, making it the second largest city in the central Peruvian Andes after the city of Huancayo. It is the 22nd largest city in Peru. Huaraz is the seat of the province's Roman Catholic Bishop and the site of the cathedral. Huaraz is the main financial and trade center of the Callejón de Huaylas and the main tourist destination of Ancash region. Moreover, is one of the biggest towns in the Peruvian Andes. Huaraz is the main destinations for winter sports and adventure. Many visitors from around the world come to the city for practicing sports as climbing, hiking, mountain biking and snowboarding, and also to visit the glaciers and mountains of the Cordillera Blanca, mainly Mount Huascarán, which is considered the tallest mountain in tropics, all of them located in Huascarán National Park which UNESCO declared a nature world heritage site. The city was founded before the Inca Empire when humans settled around the valley of the Santa River and Qillqay. Its Spanish occupation occurred in 1574 as a Spanish-indigenous reducción. During the wars for the independence of Peru, the whole city supported the Liberating Army with food and guns, earning the city the title of 'Noble and Generous City' granted by Simón Bolívar. In 1970, 95% of the city was destroyed by an earthquake that damaged much of Ancash Region. 25,000 people died. The city received much foreign assistance from many countries. For this reason the city was named a capital of International Friendship. The main economic activities in the city are farming and tourism. Since Huaraz has tourist infrastructure supporting the Ancash Highlands, the city is the main point of arrival for practitioners of adventure sports and mountaineering. Along with the snowy peaks of the Cordillera Blanca, one can visit archaeological sites like Chavín de Huantar and the eastern highlands of Ancash, known as Conchucos.
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