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Investigation of Sediment Layer Thickness Estimation at Bengkulu University Hospital Based on Microtremor Data

JURNAL GEOCELEBES · Vol. 8 No. 1 (2024) · hlm. 1–10

DOI
10.20956/geocelebes.v8i1.28144
ISSN
2579-5546, 2579-5821
Terbit
2024-04-01
Penerbit
Departemen Geofisika, FMIPA - Universitas Hasanuddin, Makassar
Bahasa
en

Abstrak

Bengkulu is the capital of Bengkulu Province and is located in the subduction zone between the Eurasian and Indo-Australian plates. Bengkulu is also close to the major faults of Sumatra, namely the Musi fault, the Ketahun fault, and the Manna fault. Therefore, regional planning and infrastructure development for earthquake mitigation is necessary. The purpose of this study is to estimate the thickness of the sedimentary layers in the construction zone of Bengkulu Hospital during the earthquake attenuation phase. This study is conducted by surface geological analysis using the HVSR method; data analysis using microtremor data. The microtremor data were analyzed using the HVSR method to obtain the amplification value (A0) and the dominant frequency (f0). HVSR analysis gave dominant frequency (f0) values from 5.1 to 5.8 Hz, amplification (A0) from 1.64 to 5.91 times, and dominant period (T0) from 1.49 to 2.81 seconds. The values of A0, f0, T0 are interpreted with reference to the literature and surface geology as a moderate risk of seismic vulnerability, characterized by moderate to weak sedimentation and moderate amplification values.

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29 penulis · 116 tautan kepenulisan bersama · 4 lintas organisasi

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  • University of Bengkulu
  • Universitas Syiah Kuala
  • Afiliasi tidak diketahui
  • Organisasi berbeda
  • Organisasi sama
  • Afiliasi tidak diketahui
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Rekan penulisOrganisasiArtikel bersama
RefrizonUniversity of Bengkulu7
Muchammad FaridUniversity of Bengkulu6
Refrizon RefrizonUniversity of Bengkulu6
Nurul Ilmi RahmawatiUniversity of Bengkulu4
Olga TriutamiUniversity of Bengkulu3
Dadin Mars AbimayuUniversity of Bengkulu3
Nanang SugiantoUniversity of Bengkulu3
Sapari DwiyonoAfiliasi tidak diketahui3
Arieffin Yusuf Hakim HakimUniversity of Bengkulu3
Asy Syifa Auliya Putri RamadhaniUniversity of Bengkulu3
Halauddin HalauddinUniversity of Bengkulu2
Aisyah Cindy Phylia PutriUniversity of Bengkulu2
Muhammad Rifqi RabbaniUniversity of Bengkulu2
Budi HarliantoUniversity of Bengkulu2
Arya Putra AnggiUniversity of Bengkulu2
Repal Wijaya KusumaUniversity of Bengkulu2
Yuni SetyowatiUniversity of Bengkulu2
M. FaridUniversity of Bengkulu2
Nurul ApriyantiUniversity of Bengkulu2
Suhendra SuhendraUniversity of Bengkulu1
Khairun NazliUniversitas Syiah Kuala1
M. FaridAfiliasi tidak diketahui1
Samuel SiagianUniversity of Bengkulu1
Liza LidiawatiUniversity of Bengkulu1
Paisal EdoUniversity of Bengkulu1

Afiliasi berasal dari OpenAlex; metadata OAI-PMH jurnal tidak memuatnya. Penulis tanpa ID OpenAlex dicocokkan berdasarkan nama, sehingga dua orang bisa tergabung atau satu orang bisa terpisah.

Sumber metadata: OAI-PMH (metadata jurnal) https://journal.unhas.ac.id/index.php/geocelebes/oai, pertama di-harvest 3 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en">Investigation of Sediment Layer Thickness Estimation at Bengkulu University Hospital Based on Microtremor Data</dc:title>
	<dc:creator xml:lang="en">Al Ansory, Andre Rahmat</dc:creator>
	<dc:creator xml:lang="en">Raihana, Hana</dc:creator>
	<dc:creator xml:lang="en">Farid, M</dc:creator>
	<dc:creator xml:lang="en">Hadi, Arif Ismul</dc:creator>
	<dc:subject xml:lang="en">A0</dc:subject>
	<dc:subject xml:lang="en">f0</dc:subject>
	<dc:subject xml:lang="en">micotremor</dc:subject>
	<dc:subject xml:lang="en">sedimentary rocks</dc:subject>
	<dc:subject xml:lang="en">T0</dc:subject>
	<dc:description xml:lang="en">Bengkulu is the capital of Bengkulu Province and is located in the subduction zone between the Eurasian and Indo-Australian plates. Bengkulu is also close to the major faults of Sumatra, namely the Musi fault, the Ketahun fault, and the Manna fault. Therefore, regional planning and infrastructure development for earthquake mitigation is necessary. The purpose of this study is to estimate the thickness of the sedimentary layers in the construction zone of Bengkulu Hospital during the earthquake attenuation phase. This study is conducted by surface geological analysis using the HVSR method; data analysis using microtremor data. The microtremor data were analyzed using the HVSR method to obtain the amplification value (A0) and the dominant frequency (f0). HVSR analysis gave dominant frequency (f0) values from 5.1 to 5.8 Hz, amplification (A0) from 1.64 to 5.91 times, and dominant period (T0) from 1.49 to 2.81 seconds. The values of A0, f0, T0 are interpreted with reference to the literature and surface geology as a moderate risk of seismic vulnerability, characterized by moderate to weak sedimentation and moderate amplification values.</dc:description>
	<dc:publisher xml:lang="en">Departemen Geofisika, FMIPA - Universitas Hasanuddin, Makassar</dc:publisher>
	<dc:date>2024-04-01</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.unhas.ac.id/index.php/geocelebes/article/view/28144</dc:identifier>
	<dc:identifier>10.20956/geocelebes.v8i1.28144</dc:identifier>
	<dc:source xml:lang="en">JURNAL GEOCELEBES; Vol. 8 No. 1: April 2024; 1 - 10</dc:source>
	<dc:source>2579-5546</dc:source>
	<dc:source>2579-5821</dc:source>
	<dc:language>en</dc:language>
	<dc:relation>https://journal.unhas.ac.id/index.php/geocelebes/article/view/28144/11383</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2023 JURNAL GEOCELEBES</dc:rights>
</oai_dc:dc>