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Journal : Indonesian Physical Review

 1 
APPLYING K-MEANS ALGORITHM FOR CLUSTERING ANALYSIS EARTHQUAKES DATA IN WEST NUSA TENGGARA PROVINCE Kertanah, Kertanah; Rahadi, Irwan; Aryani Novianti, Baiq; Syahidi, Khaerus; Sapiruddin, Sapiruddin; Mandala Putra, Hadian; Gazali, Muhammad; Haiban Hirzi, Ristu; Sabar, Sabar
Indonesian Physical Review Vol. 5 No. 3 (2022)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v5i3.148

Abstract

This study aims to cluster and visualize the earthquake data on a geographical map to determine earthquakes' characteristics using the k-means algorithm. Cluster analysis using the k-means algorithm was carried out on the earthquake data. K-means algorithm is familiar and is one of the well-known techniques to have been applied in cluster analysis. One of Its advantages in cluster analysis is scaling large datasets, for example, earthquake data. The data used in this study is earthquake data in the West Nusa Tenggara from 1991 to 2021. Applying the proposed k-means algorithm, the optimal number of clusters (k) used in this clustering is 2, based on the highest silhouette score of 0.749. The cluster analysis on the geographical map showed that the epicenters of the earthquakes were pretty spread out before 2018, and the number of earthquakes in the eastern region of West Nusa Tenggara is more than in the western area. However, in 2018, the clusters were all bunched in the northern Lombok region. There were a few earthquakes in the west region in 2018, but they happened before August 5. Even after 2019, most earthquakes continue to occur, with the epicenters clustered close to the northern Lombok region  
Co-Authors Adi Mas Sulton Adji, Fine Isnadia Afriansyah, Aidil Agung Cahyono Agustian, Andry Ahmad Jamaludin Ahmad Z. Purwalaksana Akbar, Mhd Furqan Alfajrin, Achmad Chalid Afif Alfiansyah, Tariq Aziz Algifari, Muhammad Habib Alwan Hadiyanto Ammalia, Nuuru Rizky Anjela, Rara Arham, La Ode Arirohman, Ilham Dwi Aryadi, Anugrah Wahyu Aryani Novianti, Baiq Aryani, Wilia Novi Azizurrohman, Muhammad Azry Ayu Nabillah Bagus Hermanto Bahar, Aditiya Harjon Bambang Widjanarko Otok Basyar, Syaripudin Boy Sembaba Tarigan Chalid, Achmad AA Doni Praditya Duwi Harianto Duwi Hariyanto Emi Sunarti Emy Hajar Abra Erny Amalia Lestari Fajar Paundra Fathurahman, Muhamad Fitrah Qalbina Gede Arnawa Ghustav D., Claudio Gladys Greselda Gosal Hadian Mandala Putra Harianto, Duwi Hariyanto, Duwi Hastito, Fadli Hufadz, Muhamad Ihsan Hyeni Roza Nofia, Hyeni Roza I Dewa Nyoman Arta Jiwa Intan Avionita Irma Nuur Rochmah, Irma Nuur Iryana, Anri Joni Joni Junko Alessandro Effendy Kertanah, Kertanah Khaerus Syahidi Kisna Pertiwi Kisna Pertiwi, Kisna Livia Ersi Liza Husnita Madi, Madi Mahendra Wardhana, Mahendra Maranatha Wijayaningtyas Mufidah, Zunanik Muhammad Gazali Muhammad Syaukani Naimah, Khoirun Nazuwatussya’diyah, Nazuwatussya’diyah Noer, Lissa Rosdiana Nurrahman, Muhammad Arif Nurullah, Fajar Perdana Pardomuan S, Ernst Tunggul Pertiwi, Novalia Pratama, Gelard Unthirta Pratama, Rifki Adi Putra, Muhammad Trio Maulana Putty Yunesti Rahadi, Irwan Rahmayeni sy Ramadhani, Africo Refni Yulia Ristu Haiban Hirzi, Ristu Ronal, Ronal Ronaldo Ahmanda, Ronaldo Rudi Setiawan Sahala M.T. Panjaitan Sapiruddin, Sapiruddin Sari, Nitta Puspita Sari, Rizki Yustisia Sa’adah, Nurul Laili Shodiq, Burhan Siahaan, Franky Silitonga, Jonathan Silverius S, Hotlas Sinaga, Hendra Sofyan, Sarwo Edhy Sri Mursidah Sujatmiko Sujatmiko Sulthan Syahril Syaripudin Basyar Teofilus Teofilus, Teofilus Wahyudie, Prasetyo Wibisono, Leonard Junio William Alphazandra, Arvin Witrianto Witrianto Yoserizal Yoserizal Zulkifli Aziz