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All Journal Jurnal Pendidikan Indonesia Jurnal Pendidikan Fisika Jurnal Pendidikan Fisika dan Teknologi Jurnal Review Pendidikan dan Pengajaran (JRPP) Jurnal Pendidikan dan Konseling JIIP (Jurnal Ilmiah Ilmu Pendidikan) Jurnal Suluh Pendidikan Jurnal Pengabdian kepada Masyarakat Nusantara JURNAL PENDIDIKAN SAINS SOSIAL DAN AGAMA Jurnal Kajian Ilmu Pendidikan (JKIP) Journal Of Human And Education (JAHE) Jurnal Ilmu Pendidikan dan Sosial Mamangan Social Science Journal Indonesian Research Journal on Education Innovative: Journal Of Social Science Research Charm Sains : Jurnal Pendidikan Fisika
nainggolan, juliper
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Journal : Jurnal Pendidikan Fisika dan Teknologi

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Coulomb Stress Analysis of the West Coast Sumatra Earthquake on Mount Imun and Mount Helatoba Sinaga, Goldberd Harmuda Duva; Nainggolan, Juliper; Pardede, Hebron
Jurnal Pendidikan Fisika dan Teknologi (JPFT) Vol 11 No 1 (2025): January-June
Publisher : Department of Physics Education, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpft.v11i1.8102

Abstract

The island of Sumatra is a meeting area between the Indian Ocean plate in the South and the southwest edge of the Sunda Exposure, which is also the continental plate of Southeast Asia or the Eurasian Plate. The meeting of the plates makes the island of Sumatra an area prone to tectonic earthquakes, including Mount Imun and Helatoba which are located in the Tarutung basin. This study uses the Mohr-Coulomb model in the analysis of changes in coulomb stress. This modeling uses data from earthquakes that occurred on the West Coast of Sumatra which was then processed in coulomb 3.4 software. This modeling resulted in stress distribution in Imun and Helatoba. Coulomb stress changes until this time in Imun is 0.323 bar (2024) and coulomb stress change in Helatoba is 0.217 bar. The effect of the increase in coulomb stress (red lobe) originating from the earthquake on the west coast of Sumatra is triggering 2 tectonic earthquakes at the coordinates of Mount Imun in 2022 and triggering a tectonic earthquake at the coordinates of Helatoba in 2018.
Analysis of Sumatran Earthquake Coulomb Stress Changes in Geothermal Potential in Rianite, Samosir Regency Sinaga, Goldberd Harmuda Duva; Nainggolan, Juliper
Jurnal Pendidikan Fisika dan Teknologi (JPFT) Vol 9 No 2 (2023): July-December
Publisher : Department of Physics Education, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpft.v9i2.5900

Abstract

Increasing energy demand and high world oil prices are making countries turn to geothermal energy use. Indonesia is a country that has geothermal energy due to Indonesia's geographical location and geological conditions, which is located between three active earth plates so that Indonesia has 240 volcanoes and often experiences earthquakes. The 2003-2013 earthquake data obtained are coordinates, magnitude, depth, focal mechanism and all these data are analyzed in the coulomb stress method. Rianiate geothermal measurement data in March 2013 included geothermal location, hotspring and air temperature, pH, and geochemical measurements. The analysis results showed that the highest coulomb stress value was at a depth of 90 km of 0.56 bar while the shear and normal values were 0.452 bar and 0.251 bar. The result of the spread of coulomb stress is to the northeast, east and southeast. Then the results of the analysis of the direction of distribution of coulomb stress are compared to the location of the hotspring based on a decrease in temperature, the change in the potential of hotspring 1 leads to hotspring 2, 3, and 4 in the opposite direction, namely northwest or leads to the largest source of colulomb stress, so that Coulomb Stress Changes affect indirectly changes in the geothermal potential of Rianiate
Co-Authors Asnida Asnida, Asnida Bajongga Silaban, Bajongga Berutu, Roina Br Brahmana, Samuel Dearlina Sinaga F. Aruan, Herman Christian Gaol, Sarma Uli Lumban Giawa, Budisman Goldbert Harmuda Duva Sinaga Gowasa, Morianus Gulo, Puspa Realita Gulo, Reni Mustika Gulo, Septa Harapan Jaya Habayahan, Mita Patri Wika Harianja, Eliza Crystiani Harlen Simanjuntak Lukman Pardede Lumban Gaol, Sarma Uli Manalu, Nissi WF Marbun, Juliaster Maria, Friska Mariana Br. Surbakti Monalisa Martha Siahaan MULA SIGIRO Nainggolan , Debora Hotmaria Pane , Januaris PANE, JANUARIS Pardede , Lukman Pardede, Hebron Pardede, Juven Parlindungan Sitorus Pasaribu, Kondios M.D. Pasaribu, Kondios Mei Darlin Rajagukguk, Yesitina W. Revelita, Fitria Sari, Nova Yunita Septina Ambarita, Angelica Sianipar, Perdinaria Silaban , Bajongga Silaban, David Agus Fernando Silalahi , Lestari Silalahi, Lestari Simbolon, Lamtiur Verawaty Sinaga , Sri Lamsari Sinaga, Imay Evdia Sinaga, Nova Yanti Andriani Sinaga, Novayanti Siringoringo, Putra Gelli SITINJAK, ERNI KUSRINI Surbakti , Mariana Br. Tamba, Julinar Tarigan, Dandri Harapenta Turnip, Herman Alfredo Wijaya , Dandy