2004 Mount Bromo | |
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| Total costs | N/A |
| Deaths | 2 |
Mount Bromo (Indonesian and Javanese: Gunung Bromo) is an active somma volcano and part of the Tengger mountains, in East Java, Indonesia. At 2,329 meters (7,641 feet) it is not the highest peak of the massif, but the most famous. The area is one of the most visited tourist destinations in East Java, and the volcano is included in the Bromo Tengger Semeru National Park. The name Bromo comes from the Javanese pronunciation of Brahma, the Hindu god of creation. Mount Bromo is located in the middle of a plain called 'Sea of Sand' (Javanese: Segara Wedi or Indonesian: Lautan Pasir), a nature reserve that has been protected since 1919. A typical way to visit Mount Bromo is from the nearby mountain village of Cemoro Lawang. From there it is possible to walk to the volcano in about 45 minutes, but it is also possible to take an organized jeep tour, including stops at the viewpoint of Mount Penanjakan (2,770 m or 9,088 ft) (Indonesian: Gunung Penanjakan). The sights on Mount Penanjakan can also be reached on foot in about two hours. Depending on the level of volcanic activity, the Indonesian Center for Volcanology and Disaster Mitigation sometimes issues a warning not to visit Mount Bromo.
Source: Wikipedia 1845 Nevado del Ruiz | |
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| Total costs | N/A |
| Deaths | 1000 |
The Nevado del Ruiz (Spanish pronunciation: [neβaðo ðel ˈrwis]), also known as La Mesa de Herveo (English: Mesa of Herveo, the name of the nearby town) is a volcano on the border of the departments of Caldas and Tolima in Colombia, about 129 kilometers (80 mi) west of the capital city Bogotá. It is a stratovolcano composed of many layers of lava alternating with hardened volcanic ash and other pyroclastic rocks. Volcanic activity at Nevado del Ruiz began about two million years ago, since the Early Pleistocene or Late Pliocene, with three major eruptive periods. The current volcanic cone formed during the present eruptive period, which began 150,000 years ago. The volcano usually generates Vulcanian to Plinian eruptions, which produce swift-moving currents of hot gas and rock called pyroclastic flows. These eruptions often cause massive lahars (mud and debris flows), which pose a threat to human life and the environment. The impact of such an eruption is increased as the hot gas and lava melt the mountain's snowcap, adding large quantities of water to the flow. On November 13, 1985, a small eruption produced an enormous lahar that buried and destroyed the town of Armero in Tolima, causing an estimated 25,000 deaths. This event later became known as the Armero tragedy—the deadliest lahar in recorded history. Similar but less deadly incidents occurred in 1595 and 1845, consisting of a small explosive eruption followed by a large lahar. The volcano is part of Los Nevados National Natural Park, which also contains several other volcanoes. The summit of Nevado del Ruiz is covered by large glaciers. The volcano continues to pose a threat to the nearby towns and villages, and it is estimated that up to 500,000 people could be at risk from lahars from future eruptions. Today, the Nevado del Ruiz volcano is constantly monitored by the Volcanic and Seismic Observatory of Manizales.
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