Everyone knows that Merapi Volcano is one of the most active volcanoes in the world. Vulcanologist from Indonesia and foreign agree with that statement. It’s a fact that Merapi often erupt just a few years. Merapi located in the border of Yogyakarta and Central Java. Since 1500 Merapi has erupted till seventieth time. Small eruptions occurs in two until three years. And big erruptions occurs in ten until fifteen years. It’s proof that Merapi is the very active Volcano. Merapi’s eruptions eject some materials. Such as lava, cold materials (rock and sand) and hot clouds. By local people, hot clouds named Wedus Gembel. Hot clouds able to become very dangerous. Because the temperature of hot clouds be able to reach 10000 C. It can kills people that just around. Commonly hot clouds are followed by volcanic ash rain.
The last erruptions of merapi occurred in 2006. And now in 2010 merapi has erupted again. Before Merapi has erupted, BPPTK (Balai Penyelidikan dan Pengembangan Teknologi Kegunungapian) Jogja has increased Merapi’s status from ‘alert’ become ‘careful’ in Monday, October 25 ,2010 till now. People around Merapi have been commanded to go away from Merapi until Merapi has the normal activities again. The most big merapi’s erruption occured in 1930. It devoured victims until 1400 people. And destroyed 130 villages. At that moment the ash of the merapi’s erruption reached Malang and Madura.
Merapi is one of Java island’s volcanoes. Java island has many volcanoes that still active till now. There are Semeru, Bromo, Anak Krakatau, Lawu, ect. The volcanoes’s activities are monitored by BPPTK from each volcano. Because it can erupt at any time.