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投稿者 スレッド
若衆
投稿日時: 2010-11-14 7:38
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The Armero adversity (Spanish: Tragedia de Armero) was unified of the major consequences of the eruption of the Nevado del Ruiz volcano in Tolima, Colombia on November 13, 1985. After 69 years of dormancy, the volcano's outburst caught accessible towns unaware, even notwithstanding that the domination had received warnings to clear out the range from multiple volcanological organizations when volcanic movement had been detected in September 1985.[1]

As pyroclastic flows erupted from the volcano's crater, they melted the mountain's glaciers, sending four colossal lahars (volcanically induced mudslides, landslides, and debris flows) down its slopes at 60 kilometers per hour (37 miles per hour). The lahars picked up expeditiousness in gullies and coursed into the six major rivers at the starting-point of the volcano; they engulfed the hamlet of Armero, debilitating more than 20,000 of its verging on 29,000 inhabitants.[2] Casualties in other towns, particularly Chinchin?, brought the whole downfall loss to 23,000. Footage and photographs of Omayra S?nchez, a boyish victim of the misfortune, were published around the world. Other photographs of the lahars and the bumping of the trouble captured prominence worldwide and led to confrontation over and beyond the condition to which the Colombian direction was liable on the disaster. A gonfalon at a mass inhumation in Ibague read, "The volcano didn't write 'finis' to 22,000 people. The government killed them."

The relief efforts were hindered on the configuration of the mud, which made it close to unattainable to move owing to without seemly stuck. Close to the period elevation workers reached Armero twelve hours after the eruption, divers of the victims with severe injuries were dead. The double workers were horrified past the view of fallen trees, disfigured benign bodies, and piles of debris from entire houses. This was the second-deadliest volcanic disaster of the 20th century, surpassed only next to the 1902 expulsion of Mount Pel?e, and is the fourth-deadliest volcanic result recorded since 1500 AD. The anyway in the reality was a foreseeable disaster exacerbated not later than unawareness of the volcano's destructive the good old days; geologists and other experts had warned authorities and media outlets about the danger over the weeks and days leading up to the eruption. Threat maps in the direction of the vicinage were disposed, but poorly distributed. On the daylight of the eruption, a few evacuation attempts were made, but a severe shower restricted communications. Divers victims stayed in their houses as they had been instructed, believing that the eruption had ended. The clangour from the storm may have planned prevented profuse from hearing the sounds from Ruiz until it was too late.

Nevado del Ruiz has erupted several times since the blow, and continues to daunt up to 500,000 people living along the Combeima, Chinchina, Coello-Toche, and Guali river valleys. A lahar (or accumulation of lahars) similar in mass to the 1985 end could potentially travel as point as 100 kilometers (62 mi) from the volcano, and could be triggered by a miniature eruption. A larger outburst could reach as contribute as Bogot?. To counter this commination, the Colombian authority established a specialized thing which promotes awareness of natural threats. The Partnership States Geological Assess also created the Volcano Trouble Relief Program and the Volcano Danger Aid Link up, which evacuated nearly 75,000 people from the area around Mount Pinatubo before its 1991 eruption. In 1988, three years after the outburst, Dr. Stanley Williams of Louisiana Status University stated that, "With the reachable peculiarity of Mount St. Helens in the magnificence of Washington, no other volcano in the Western Hemisphere is being watched so elaborately" as Nevado del Ruiz. Additionally, tons of Colombia's cities have programs to raise awareness of natural tragedy planning programs which have helped guard lives in normal disasters. Coming Nevado del Ruiz in item-by-item, locals be undergoing mature wary of volcanic occupation: when the volcano erupted in 1989, more than 2,300 people living on all sides it were evacuated.

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