Jurnal FisTa : Fisika dan Terapannya
Vol 4 No 2 (2023): OKTOBER

Pemodelan Percepatan Tanah sebagai Parameter Hazard Gempabumi menggunakan Metode Deterministic Seismic Hazard Analysis di Kota Manado

Lorensia Kainde (Program Studi Fisika, Universitas Negeri Manado, Kabupaten Minahasa, 95618, Indonesia)
Cosmas Poluakan (Program Studi Fisika, Universitas Negeri Manado, Kabupaten Minahasa, 95618, Indonesia)
Alfrie Musa Rampengan (Program Studi Fisika, Universitas Negeri Manado, Kabupaten Minahasa, 95618, Indonesia)
Muhammad Zulkifli (Stasiun Geofisika Manado, Badan Meteoroli Klimatologi dan Geofisika, KotaManado, 95161, Indonesia)



Article Info

Publish Date
31 Oct 2023

Abstract

Research has been carried out on modeling ground acceleration as an earthquake hazard parameter in Manado. This study aims to create an earthquake modeling scenario using Deterministic Seismic Hazard Analysis to determine the estimated PGA value and the intensity value of a significant earthquake. This study utilizes the BMKG SHAKEMAP software to determine the PGA value which is then converted into a modified Mercalli intensity value. A total of 13 modeling scenarios were built in this study. The results show that the scenario of significant earthquake modeling in Manado City and its surroundings using the 2018 BMKG catalog input shows varying results. This depends on the earthquake source parameters as well as the distance from the source to the site. Scenario model 10 is the most representative because it has the same intensity value as the June 20, 1991 earthquake. The resulting PGA value shows the area that has the highest PGA in Manado comes from the 3rd model (8.1% g) and the lowest from the model to 12 (1.4 % g). Due to the limited historical intensity data from the catalog, only 8 models out of 13 models were tested for root mean square error verification ranging values from 0 to 0.25.

Copyrights © 2023






Journal Info

Abbrev

fista

Publisher

Subject

Astronomy Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics

Description

Jurnal FisTa : Fisika dan Terapannya merupakan salah satu Jurnal Nasional dalam bidang Ilmu Fisika dan Terapannya di bawah pengelolaan Program Studi Fisika Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado. Jurnal FisTa : Fisika dan Terapannya memiliki nomor eISSN ...