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All Journal IJOG : Indonesian Journal on Geoscience Jurnal Gema Ngabdi
Alexander Yosep Elake
Jurusan Fisika Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Pattimura
Agriculture, Biological Sciences & Forestry Humanities Earth & Planetary Sciences Education Environmental Science Social Sciences

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Land Subsidence Investigation in Negeri Sila, Nusalaut Island, Using Resistivity Method Rian Amukti; Abi Dzikri Alghifari; Alexander Yosep Elake; Francy Nendisa; Christian Jacob Souisa
Indonesian Journal on Geoscience Vol 9, No 2 (2022)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.9.2.

Abstract

DOI:10.17014/ijog.9.2.The phenomenon of land subsidence in Negeri Sila of Nusalaut Island was caused by an earthquake in Ambon Island and surrounding areas on September 26, 2019 with the magnitude of 6.5. This research had been conducted using a resistivity method with a dipole-dipole configuration. Land subsidence occurred due to seawater intrusion around the area. The earthquake around Ambon Island was the trigger, so soil creep occurred.The purpose of this study is to obtain a weak resistivity zone area that indicates subsidence. The results showed a low resistivity value of 1-10 Ohm meters which indicated a weak zone of potential subsidence of the ground surface, and the presence of sea water intrusion into the area.
Prevensi Gerakan Tanah Jenis Longsor Lereng di Dusun Riang Negeri Tawiri Kecamatan Teluk Ambon, Kota Ambon Matheus Souisa; Pieldrie Nanlohy; Sisca M. Sapulete; Alexander Y. Elake; Mirella F. Maahury
Jurnal Gema Ngabdi Vol. 5 No. 2 (2023): JURNAL GEMA NGABDI
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jgn.v5i2.336

Abstract

Disaster prevention is carried out to prevent and minimize the occurrence of natural disasters such as landslides. Prevention is at the heart of natural disasters and must be supported by community knowledge about disaster management in the form of pre-disaster, during-disaster, and post-disaster views from a scientific and technical perspective. Inadequate knowledge will have an impact on less-than-optimal responses in disaster prevention and mitigation. One of the efforts to increase the community's role in preventing natural disasters is through Community Service (PKM) activities using the geo-forestry method by planting shade trees at the location of former landslides and the potential for landslides in RT.02/RW.07 Riang, Tawiri Village, Teluk Ambon District. This activity is carried out through the transfer of knowledge about, Land Movement Physics, Environmental Geophysics, and Disaster Mitigation. Service activities are expected to reach the Disaster Volunteer Team in Riang, Tawiri Village, namely by increasing the network of cooperation with Disaster Volunteers and establishing synergies with Geoscience Volunteers and the Unpatti Faculty of Mathematics and Natural Sciences.
Land Subsidence Investigation in Negeri Sila, Nusalaut Island, Using Resistivity Method Rian Amukti; Abi Dzikri Alghifari; Alexander Yosep Elake; Francy Nendisa; Christian Jacob Souisa
Indonesian Journal on Geoscience Vol. 9 No. 2 (2022)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.9.2.

Abstract

DOI:10.17014/ijog.9.2.The phenomenon of land subsidence in Negeri Sila of Nusalaut Island was caused by an earthquake in Ambon Island and surrounding areas on September 26, 2019 with the magnitude of 6.5. This research had been conducted using a resistivity method with a dipole-dipole configuration. Land subsidence occurred due to seawater intrusion around the area. The earthquake around Ambon Island was the trigger, so soil creep occurred.The purpose of this study is to obtain a weak resistivity zone area that indicates subsidence. The results showed a low resistivity value of 1-10 Ohm meters which indicated a weak zone of potential subsidence of the ground surface, and the presence of sea water intrusion into the area.
Co-Authors Abi Dzikri Alghifari Christian Jacob Souisa Francy Nendisa Matheus Souisa Mirella F. Maahury Pieldrie Nanlohy Rian Amukti Sisca M. Sapulete