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Since the major eruption in 1930 that caused more than 1,300 casualties, the eruptions of Merapi have caused many impacts to human lives. One of the effects caused by the eruption of Merapi Volcano is the lahar. This paper aims to discuss the lahar susceptibility in Magelang District, Central Java Province. The method used are literature study, analysis of secondary data such as a Rupa Bumi Map, high-resolution remote sensing image containing the image of the post-lahar flood and field surveys. The analysis showed that the Magelang district is an area that has a high susceptibility to lahar flood, particularly the region located around Pabelan River, the White River, River Krasak, Senowo River, River Tringsing and Sungai Batang. The most susceptible area is the area located above the bend simultaneously contained on the presence of break of slope, river channel narrowing, overflows on the outer banks of the river, river channel siltation and the confluence of two rivers where lahar flows. Keywords—Lahar, susceptibility, Merapi Volcano, Magelang

Lahar Susceptibility of Magelang, Central Java after the 2010 Eruption of Merapi Volcano