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Assessing soil vulnerability in Petobo post-liquefaction zone, Palu, Central Sulawesi: A microzonation study utilizing microtremor measurements

Journal of Degraded and Mining Lands Management · Vol. 11 No. 3 (2024) · hlm. 5805–5816

DOI
10.15243/jdmlm.2024.113.5805
ISSN
2502-2458, 2339-076X
Terbit
2024-04-01
Penerbit
Brawijaya University
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc/4.0

Abstrak

On September 28, 2018, a 7.5 Richter magnitude earthquake struck the Palu City neighborhood of Petobo. The tectonic activity along the Palu-Koro fault generated this earthquake, which resulted in soil liquefaction. The purpose of this study is to use microtremor measurements at 33 distinct places to investigate the properties of the soil layer after liquefaction. The obtained data was then evaluated utilizing Horizontal to Vertical Spectral Ratio (HVSR) methodologies such as Ground Shear Strength (GSS), amplification factor, and vulnerability index to determine the soil layer's properties and susceptibility. The dominant frequency ranges from 0.19 to 4.75 Hz, while the dominant period ranges from 0.21 to 5.17 seconds, according to the measurement results. According to these measurements, the silt layer varies between 5 and 30 m. GSS values in the 10-4 to 10-2 range indicate that soil cracking, subsidence, liquefaction, landslides, and compaction are likely. The soil vulnerability and amplification index values range from 2.36 to 4.37, respectively. These values show the potential level of danger, which might be low, medium, high, or extremely high. Peak ground acceleration varied from 299.52 to 301.52 gals, suggesting high to extremely high danger levels. The microzonation map created for this study is considered to be a useful resource for training disaster mitigation approaches and facilitating infrastructure development planning in the region.

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  • Hasanuddin University
  • Universitas Halu Oleo
  • China University of Petroleum, East China
  • Politeknik Negeri Pontianak
  • Politeknik Pertanian Negeri Pangkajene Kepulauan
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Rekan penulisOrganisasiArtikel bersama
Muhardi MustafaHasanuddin University3
Adi TonggirohHasanuddin University3
Alimuddin Hamzah AssegafHasanuddin University3
Muhammad Fawzy Ismullah MassinaiHasanuddin University2
Maria MariaUniversitas Halu Oleo1
Wira SunaryaHasanuddin University1
Hasanuddin HasanuddinHasanuddin University1
Syamsuddin SyamsuddinAfiliasi tidak diketahui1
Jamaluddin JamaluddinChina University of Petroleum, East China1
Arum WahyuniHasanuddin University1
Jumatriani JumatrianiHasanuddin University1
St. SyakirahHasanuddin University1
Illa IllaHasanuddin University1
Syamsuddin SyamsuddinHasanuddin University1
Sofian SofianAfiliasi tidak diketahui1
Aulia Puji AstutiHasanuddin University1
Dede Muhaimin AzizHasanuddin University1
Muhammad Ilham HabibullahHasanuddin University1
Sindy Yustin LinggiHasanuddin University1
Irzal NurHasanuddin University1
Tri Andriyani HS KandoraHasanuddin University1
Ichsan Invanni BaharuddinAfiliasi tidak diketahui1
A M ImranAfiliasi tidak diketahui1
Adi MaulanaAfiliasi tidak diketahui1
Adi MaulanaAfiliasi tidak diketahui1
Muhammad Altin MassinaiHasanuddin University1
Sri WidodoHasanuddin University1
Hazairin ZubairHasanuddin University1
Okto IvansyahPoliteknik Negeri Pontianak1
Sumbangan BajaHasanuddin University1
Samsu ArifHasanuddin University1
Nurmiaty NurmiatyPoliteknik Pertanian Negeri Pangkajene Kepulauan1
Syamsuddin SyamsuddinHasanuddin University1

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Sumber metadata: OAI-PMH (metadata jurnal) http://jdmlm.ub.ac.id/index.php/jdmlm/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Assessing soil vulnerability in Petobo post-liquefaction zone, Palu, Central Sulawesi: A microzonation study utilizing microtremor measurements</dc:title>
	<dc:creator>Syamsuddin, Erfan</dc:creator>
	<dc:creator>Maulana, Adi</dc:creator>
	<dc:creator>Hamzah, Alimuddin</dc:creator>
	<dc:creator>Irfan, Ulva Ria</dc:creator>
	<dc:subject xml:lang="en-US">GSS</dc:subject>
	<dc:subject xml:lang="en-US">HVSR</dc:subject>
	<dc:subject xml:lang="en-US">microtremor</dc:subject>
	<dc:subject xml:lang="en-US">PGA</dc:subject>
	<dc:subject xml:lang="en-US">soil vulnerability</dc:subject>
	<dc:description xml:lang="en-US">On September 28, 2018, a 7.5 Richter magnitude earthquake struck the Palu City neighborhood of Petobo. The tectonic activity along the Palu-Koro fault generated this earthquake, which resulted in soil liquefaction. The purpose of this study is to use microtremor measurements at 33 distinct places to investigate the properties of the soil layer after liquefaction. The obtained data was then evaluated utilizing Horizontal to Vertical Spectral Ratio (HVSR) methodologies such as Ground Shear Strength (GSS), amplification factor, and vulnerability index to determine the soil layer's properties and susceptibility. The dominant frequency ranges from 0.19 to 4.75 Hz, while the dominant period ranges from 0.21 to 5.17 seconds, according to the measurement results. According to these measurements, the silt layer varies between 5 and 30 m. GSS values in the 10-4 to 10-2 range indicate that soil cracking, subsidence, liquefaction, landslides, and compaction are likely. The soil vulnerability and amplification index values range from 2.36 to 4.37, respectively. These values show the potential level of danger, which might be low, medium, high, or extremely high. Peak ground acceleration varied from 299.52 to 301.52 gals, suggesting high to extremely high danger levels. The microzonation map created for this study is considered to be a useful resource for training disaster mitigation approaches and facilitating infrastructure development planning in the region.</dc:description>
	<dc:publisher xml:lang="en-US">Brawijaya University</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:format>application/pdf</dc:format>
	<dc:identifier>https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/16434</dc:identifier>
	<dc:identifier>10.15243/jdmlm.2024.113.5805</dc:identifier>
	<dc:source xml:lang="en-US">Journal of Degraded and Mining Lands Management; Vol. 11 No. 3 (2024); 5805-5816</dc:source>
	<dc:source>2502-2458</dc:source>
	<dc:source>2339-076X</dc:source>
	<dc:source>10.15243/jdmlm.2024.113</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/16434/1001</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2024 Journal of Degraded and Mining Lands Management</dc:rights>
	<dc:rights xml:lang="en-US">https://creativecommons.org/licenses/by-nc/4.0</dc:rights>
</oai_dc:dc>