Discovering ditch buried volcanic materials: geoelectric method assistance to minimize hazard loss
Keywords:
agricultural land, ditch buried, eruption, geoelectric method, volcanic materialAbstract
The current study is aimed at discovering ditch buried volcanic materials: geoelectric method assistance to minimize hazard loss. The research has been conducted at Bugbug Karangasem Bali. This covered by volcanic material from the eruption of Mount Agung in 1963 and before. Of course, there is a ditch as a land boundary. Based on the measurement results of the geoelectric method, it was found that there was a low resistivity area of 26.5 ?.m at a depth of about 7 m area A and 23.5 m (area B). Based on the excavation at several points, the thickness of the volcanic material layer in the study area is around 7 m. The landowners have claimed that their land is restricted by a ditch, which when Mount Agung erupted in 1963, had been covered with volcanic material; a ditch was made, but between the trenches made with the low-resistivity area A sideways again 11 m. The low resistivity is thought to be a buried ditch. As it is connected to the two cases above, namely the case of the results of geoelectric measurements and cases of landowners' suitability. The ditch that has been buried by volcanic material can be detected by geoelectric methods assistance.
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