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Journal : Jurnal Geofisika

Analysis and Zonation of Land Vulnerability Areas in Pekon Karangrejo Ulubelu Tanggamus Using Microzonation Method Eko Rananda; Lintang Prabowo; Arief Putih Prabowo; Syamsurijal Rasimeng; Ida Bagus Suananda Yogi
Jurnal Geofisika Vol 18 No 1 (2020): Jurnal Geofisika
Publisher : Himpunan Ahli Geofisika Indonesia (HAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36435/jgf.v18i1.420

Abstract

Abstract.Ulubelu Tanggamus is an area that have geothermal energy potential. This region consists of a geological structure in the form of graben and reverse fault formed between Mount Rendingan and Mount Kukusan. Identifications that can be done include surveys to map soil characteristics in shaking responses using microzonation methods. This study aims to analyze the values ​​of dominant frequency, dominant period, Vs30 and amplification. The stages of the research carried out are processing data to obtain dominant frequency, calculating the value of the dominant period, calculating the value of Vs30 and the amplification value, and making a map of the soil vulnerability of the UlubeluTanggamus area. Based on the distribution of the dominant frequency values, the UlubeluTanggamus geothermal area is dominated by a dominant Frequency (F0) >0.5Hz which is expected to be a very thick surface thickness of sediments more than 30m. The distribution of the dominant period value obtained is (T0)>1 where the character of the sedimentary rock type is very soft consisting of alluvial material formed from sedimentation of deltas, top soil, and mud. The distribution of the Vs30 value is dominated by the value of 100 <Vs30<200 and obtains an amplification value of 2<A0<6 times where the area is an area with a moderate risk category to the danger of soil vulnerability.
Co-Authors Achmad Subari Aisah Yuliantina Akroma Hidayatika Ambrosius Hernawan Wibisono Amelia Isti Ekarena Andrian Wilyan Djaja Annur Istikomah Aprillia Yulianata Arief Putih Prabowo Arif P Prabowo Arif P Prabowo Arsy Nurrochman Assegaf, Muhammad Alimuddin Hamzah Ayu Safira, Ayu Azis Riyanti Bagus Sapto Mulyatno Dani, Ilham Dewi Wijayanti Dewi Wijayanti Dewi, Soraya Tiana Egie Wijaksono Eko Rananda Elen Novia Limswipin Emir Dzakwan Kamal Zein F Alami Fadhil Muhammad Nizam Fahruddin Fahruddin Farrasha, Muthia Firda Amalia Gita Purna Rae Wanudya Gusti Aldy Haqqie Ramadhan Hesti Hesti Hidayat Hidayat Hilman Sabiq Ibrahim Ibrahim Ida Bagus Suananda Yogi Ida Bagus Suananda Yogi Ida Bagus Sunanda Yogi Idabagus S Yogi Iis Ratna Sari Ilham Dani Ilham Dani Istikomah, Annur Ivana Jayarani Ivana Jayarani Sitompul K Karyanto Karyanto, Karyanto La Ode Safiuddin La Ode Safiuddin Ledia Damayanti Lintang Prabowo Luthfi Rahmawati Maria Nova NafTalita Masdar Helmi Medi K Putri Mhd Azri Pangaribuan Muhammad Fikri Azhari Muhammad Nasri Muhammad Nurul Muhammad Rasyid Ridho Mustaid Yusuf Nandi Haerudin Nando Liven Konstanta Noor Muhammad Indragiri Nurlina Nurlina Ordas Dewanto PM Haidar Pratama, Tectona Putra Epriyan Rahmat C Wibowo Rahmawati, Luthfi Rahmi Mulyasari Ramadhan, Haqqie RC Wibowo Restu Wildanu Ahadi Ririn Yulianti Rudianto Rudianto Rustadi ., Rustadi Rustadi Rustadi S Suharno Sabrianto Aswad, Sabrianto Sakka Sakka Sari, Iis Ratna Sianturi, Rizky J. Soulthan Salahudin Al Ayubi Subarsyah Subarsyah Sudarningsih Sudarningsih Suharno Suharno Suharno Suharno Suharno Sultan Al Ghifari Supardi . Supardi Supardi Surbakti, Lucky Dolinta Syamsuddin Syamsuddin Syamsuddin, Erfan Syihab, Mufly Fadla Tiara Andika Fadila Tugiyono Tugiyono Ulfa Wahyuningsih Valentino Manurung, Andro Varenza Novita Yandi Wibowo, Rahmat Catur Widya Putri Syahranti Wijaksono, Egie Winda Styani Yuliawati Yandi, Varenza Novita Yeri, Nazhifah Ananda Yoga Kurniawan Yogi, Sunanda Zein, Emir Dzakwan Kamal