Ubinas.
Ubinas is a stratovolcano in the Moquegua Region of southern Peru, 60 kilometres (37 mi) east of the city of Arequipa. Part of the Central Volcanic Zone of the Andes, it rises 5,672 metres (18,609 ft) above sea level. Its summit is cut by a caldera 1.4 kilometres (0.87 mi) wide and 150 metres (490 ft) deep, which itself contains a smaller crater. Below the summit, Ubinas is a steep cone with a prominent notch on the southern side. The most active volcano in Peru, it has a history of small- to moderate-sized explosive eruptions and persistent degassing and ash emissions. An eruption in 1667, its largest since prehistoric times, produced scoria falls and pyroclastic flows. In 2006 and 2007 eruption columns led to ash fall in the region, resulting in health issues and evacuations. During the most recent activity, from 2013 to 2019, a lava flow formed inside the crater, and as ash fell, surrounding towns had to be evacuated.
Ubinas is a stratovolcano in the Moquegua Region of southern Peru, 60 kilometres (37 mi) east of the city of Arequipa. Part of the Central Volcanic Zone of the Andes, it rises 5,672 metres (18,609 ft) above sea level. Its summit is cut by a caldera 1.4 kilometres (0.87 mi) wide and 150 metres (490 ft) deep, which itself contains a smaller crater. Below the summit, Ubinas is a steep cone with a prominent notch on the southern side. The most active volcano in Peru, it has a history of small- to moderate-sized explosive eruptions and persistent degassing and ash emissions. An eruption in 1667, its largest since prehistoric times, produced scoria falls and pyroclastic flows. In 2006 and 2007 eruption columns led to ash fall in the region, resulting in health issues and evacuations. During the most recent activity, from 2013 to 2019, a lava flow formed inside the crater, and as ash fell, surrounding towns had to be evacuated.
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