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Gravity data analysis of Ungaran Volcano, Indonesia |
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| Authors: | Hakim Saibi Essam Aboud Agus Setyawan Sachio Ehara Jun Nishijima |
| Institution: | 1. Laboratory of Exploration Geophysics, Department of Earth Resources Engineering, Faculty of Engineering, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka, Japan 2. National Research Institute of Astronomy and Geophysics, 11722 Helwan, Cairo, Egypt 5. GeoHazards Research Unit, GRU. Faculty of Earth Sciences, King Abdulaziz University, PO Box 80206, Jeddah, 21589, Saudi Arabia 3. Department of Physics, Faculty of Mathematics and Natural Science, Diponegoro University, JI. Prof. Soedarto SH, Tembalang, Indonesia 4. Laboratory of Geothermics, Department of Earth Resources Engineering, Faculty of Engineering, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka, Japan |
| Abstract: | Mount Ungaran is a Quaternary volcano located in the province of Central Java, Indonesia. The study area was covered by a gravity survey in order to delineate the subsurface structure and its relation to the hot springs that are spread throughout the area. The gravity data were analyzed using gravity gradient interpretation techniques, such as the horizontal gradient and Euler deconvolution methods, and many faults were detected. The results of the present study suggest that the hot springs around Ungaran Volcano are structurally controlled and have depths ranging from 1 to 3 km. The results of the present study lead to an understanding of the relationships between the interpreted faults and the locations of hot springs and may aid in future geothermal exploration of the area. |
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