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Devi K.Syahbana
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Arts Humanities Economics, Econometrics & Finance Education Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Social Sciences

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Journal : Experimental Student Experiences

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Seismic Analysis of Ambient Noise Volcanic Earthquake on Mount Agung Devi K.Syahbana
Experimental Student Experiences Vol. 2 No. 2 (2023): April
Publisher : LPPM Institut Studi Islam Sunan Doe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58330/ese.v1i4.206

Abstract

Agung Vulcano is a type of strato volcano located in the Province of Bali. The eruption of Agung vulcano recorded on 25 November 2017 is a major hazard for people living around the mountain. The eruption occurred due to increased seismic activity in the body of Mount Agung. Therefore, it is necessary to monitor the activity of Agung vulcano. The method used in this study is an analysis of ambient noise seismic data to determine the increase in activity before and during the eruption of Mount Agung. Variation of apparent speed as a result of the correlation of ambient noise seismic signals recorded on two seismic sensors. That can reflect changes in pressure and elasticity of the medium by assuming that the subsurface structure is isotropically homogeneous and the physical properties of the rocks are considered to be the same, especially in the medium near the surface of the body of Agung vulcano. The pattern of apparent velocity variation in the increase in Mount Agung activity decreased 15-100 days before the eruption and experienced a continuous decrease in value during the eruption process in November 2017 - January 2018.
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