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All Journal Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Jurnal Teknosains
Hendra Fauzi
Universitas Khairun
Astronomy Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics

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Mapping of pga value using psa method in West Halmahera North Maluku Rohima Wahyu Ningrum; Wiwit Suryanto; Hendra Fauzi; Estuning Tyas Wulan Mei
Jurnal Teknosains Vol 9, No 2 (2020): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.41483

Abstract

The earthquake that occurred in the West Halmahera region was very detrimental, even though the human casualties were not very significant. But it will affect the stability and capacity of a region in terms of regional development. The mapping of earthquake-prone areas is carried out by a probabilistic seismic hazard analysis (PSHA) method to analyze soil movement parameters, namely Peak Ground Acceleration so that it can determine earthquake-prone areas in West Halmahera. The results of seismic hazard analysis show that the West Halmahera area is an area that is relatively prone to earthquake hazards because it is still strongly influenced by subduction (megathrust) earthquakes from the Philippine plate, Maluku sea and Sangihe. This is indicated by the value of earthquake acceleration on the Peak Ground Acceleration for the 500 year return period of around 0.38 - 3.69 g and 0.30 - 3.69 g for the 2500 year return period.
Microtremor Data to Strengthen the Students Mastery of Materials in the Implementation of Integrated Physics Learning Rohima Wahyu Ningrum; Hendra Fauzi; Wiwit Suryanto; Estuning Tyas Wulan Mei; Risky Nuri Amelia
Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Vol. 10 No. 1 (2020)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpfa.v10n1.p81-89

Abstract

A geophysical research has been conducted to determine the level of hazard vulnerability in West Halmahera by using microtremor data. Microtremor data are analyzed using the Horizontal to Vertical Spectral Ratio (HVSR) method and it is processed using Geopsy software to know hazard vulnerability level in the region . Data analysis and processing are used as sources of information in physics learning materials using an integrated learning model. Research objectives are to train the students to understand the materials in the fields of study and to enhance other discovery ideas.This research method uses the correlational method and the type of research is experimental research. The research design is an uniquecase research design and the instrument used is tests and questionnaires. The results of this research indicate that the microtremor data using integrated learning models of integrated types have effect on the students Mastery of materials in the implementation of physics learning. The effect of the integrated learning model of integrated type on the students Mastery of materials on the concepts of vibration and waves is 16% and it is in low category. Whereas, the students' responses to integrated learning model of integrated type are quite fun and it can help to improve their mastery of the material on the concepts of vibration and waves.
Co-Authors Amelia, Risky Nuri Estuning Tyas Wulan Mei Rohima Wahyu Ningrum Suryanto, Wiwit