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Journal : Tunas Geografi

SPATIAL DISTRIBUTION OF THE EARTHQUAKE EPISENTRUM BASED ON GEOGRAPHIC INFORMATION SYSTEM (GIS) ON AMBON ISLAND Mohammad Amin Lasaiba; Hajirun Arfa
Tunas Geografi Vol 11, No 1 (2022): JURNAL TUNAS GEOGRAFI
Publisher : Department of Geography Education, Faculty of Social Sciences, Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/tgeo.v11i1.34931

Abstract

An earthquake is shaking on the earth's surface resulting from seismic waves due to the sudden release of energy from within the earth. This study examines the spatial distribution of the earthquake hypocenter based on the Geographic Information System on Ambon Island. The research method used is descriptive qualitative and spatial which emphasizes spatial pattern, spatial structure, and spatial tendency. Data were obtained from geological maps, topographic maps, land use maps, Digital Elevation Model (DEM) SRTM 30 m resolution, as well as secondary data in the form of earthquake epicenter data from BMKG, as well as literature related to the problems studied. This data is then processed using ArcGis v software. 10.6 Ermapper 7.2 and Global Mapper v. 23.1. The results of the research show that the September 26, 2019, Ambon earthquake, whose location is concentrated between the islands of Ambon and Haruku, extends north to the southwest of Kairatu, Seram Island. The location of the epicenter is a tectonic active area. The area of Seram Island and its surroundings is close to the Seram fault which can generate a large earthquake with a thrust type of fault. Earthquakes with a magnitude of 3.0 SR to 4.0 SR are very common on Ambon Island, while earthquakes of 5.0 SR and above are rare and almost all of these earthquakes fall into the category of shallow earthquakes (< 70 km), namely with an average depth of 10 Km.
Co-Authors Aboda, Monika Alnursa, Darling Surya Ansiska, Paisal Arman Man Arfa Asep Asrul Asrul Buton, Idawati Daada, Santi Dawan, Fahri Difinubun, Megawati Djamila Lasaiba Dumgair, Ondry Gerson Emma Rumahlewang Ferdinand Salomo Leuwol Fransina Latumahina Hajirun Arfa Halawa, Febermen Hallatu, Yosepus Helwend, Joseba Kristina Iwamony, Grinalda Selfy Kadung, Gerardus Kamalatu, Yesty Kelderak, Nurwahida Kilian, Fijay Lambertus J Lokollo Lambertus J. Lokollo Lasaiba, Chica Felisia Lasaiba, Djamila Lasaiba, Irvan Lekatompessy, Elyana Imel Lesilawang, Siti Liline, Norina Limahuey, Rafie Lokollo, Lamberthus J Lokolo, ‪Lamberthus J Lulang, Rugaya Lumasiang, Yandro Mahulauw, Ahmad Yasin Man Arfa, Arman Manarfa, Arman Manik, Kresna Marakey, Yoan Florensia Masbaitubun, Elma Thiansi Masuku, Rulli Mauleky, Daniel W. Melianus Salakory, Melianus Nadira, Nadira Noya., Ferdinanda S Nur Faida, Nur Nurdani, Kamalia Nussy, Dessy Natallia ode, Nirmala Oktoyoki, Hefri Paisal Ansiska Partini, Dwi Pattiasina, Johan Pattipelohy, Wendy Pelmelay, Dorce Lerin Pinoa, W S Pinoa, Wiclif Sephnath Pratiwi, Nur Muslimah Putri, Wa R Kempa Rakuasa, Heinrich Ramean, Habisi Rehatta, Geradin Ren-El, Sridevi Riry, Roberth Berth Roberth B. Riry Roberth Berthy Riry Rudolf Kempa, Rudolf Rumahlewang, Emma Sakallessy, Gracellia Seleky, Neni Filian Sether, Rasni Sihasale, Daniel Anthoni Sihasale, Daniel Antoni Silaratubun, Seli Umi Suatrat, Andhyagis Susan E. Manakane, Susan E. Syawal Sandia Tasidjawa, Romen Tawey G Ratumanan Tetelepta, Edward Gland Titisay, Antonia Toatubun, Damiana Toker, Stefani Touwe, Sem Umabaihi, Riyanti Uwen, Aldi Waatwahan, Julius Denis Wala, Ardi Yamco, Yuliana