ANALYSIS OF CHARACTERISTICS AND DISTRIBUTION TYPES OF EARTHQUAKE DISTANCE SPREADING IN 2018 TOWARDS TANJUNG CITY (CAPITAL OF WEST LOMBOK REGENCY) WITH EUCLIDEAN DISTANCE METHOD APPROACH AND KOLMOGOROV-SMIRNOV TEST
Henry Wattimanela

Universitas Pattimura

Abstract

Lombok Island, located in the Nusa Tenggara Province, is one of the earthquake-prone areas in Indonesia because it is located at the confluence of three major plates (Indo-Australia, Eurasia, and the Pacific). The 2018 Earthquake on Lombok Island was an earthquake that caused considerable damage and casualties, especially in North Lombok Regency. This study aims to determine the type of earthquake distance distribution to Tanjung City (the capital of North Lombok Regency). The distance calculation uses the Euclidean Distance Method, while the determination of the type of distribution uses the Kolmogorov-Smirnov test. The distance calculation results are divided into 4 groups (R1, R2, R3, and R4) and a map of the earthquake distribution is shown based on distance groups. Determination of the type of distribution is also carried out on the depth of each group of predetermined distances (Z1, Z2, Z3, and Z4). The data used is 2018 earthquake data with the criteria of magnitude -\geq 4.0- Mw and depth < 60km. The results of this study are expected to be used by the North Lombok Regency Government in disaster mitigation programs including the City/Regency Governments on Lombok island, West Nusa Tenggara.

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Topic: MATHEMATICS AND STATISTICS