Seismic microzonation of Bandung basin from microtremor horizontal-to-vertical spectral ratios (HVSR)

Bayu Pranata; Tedi Yudistira; Erdinc Saygin; Phil R. Cummins; Sri Widiyantoro; Budi Brahmantyo; Zulfakriza

doi:10.1063/1.5047289

Seismic microzonation of Bandung basin from microtremor horizontal-to-vertical spectral ratios (HVSR)

Bayu Pranata^*, Tedi Yudistira, Erdinc Saygin, Phil R. Cummins, Sri Widiyantoro, Budi Brahmantyo, Zulfakriza

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

7 Citations (Scopus)

Abstract

Bandung is located on a thick sedimentary basin, which is mainly composed of volcanic rocks and the depositional remnants of an ancient lake. The high population density and vital infrastructure, surrounding by potential sources of earthquakes make Bandung vulnerable to earthquake impact. To study the seismic response of Bandung, a microzonation study is needed so as to facilitate disaster risk assessment and mitigation. The parameters which are mapped for the purpose of microzonation are the distribution of the dominant frequency (F₀), the amplification factor (Am) and seismic susceptibility (Kg). We use the HVSR analysis method with microtremor/ambient seismic noise data. The microtremor data were taken from 58 measurement points from the Bandung Seismic Experiment network run from March to October 2014 in the Bandung basin and surrounding areas. The results show that the dominant peak frequency in the studied area ranges from 0.195 Hz to 7.016 Hz, amplification (A) spans from 1.6 to 11.3, and the value of the seismic susceptibility index (K_g) ranges from 0.6 to 245.6. The spatial distribution of seismic susceptibility index indicates that almost all areas of the Bandung basin have high susceptibility to earthquake hazard. The highest susceptibility is found in the eastern part of the Bandung basin that includes Bojongsoang, Rancaekek, Ciparay, Rancasari, and Majalaya, while the lower susceptibility zones are scattered in the hills and mountains around the basin of Bandung.

Original language	English
Title of host publication	International Symposium on Earth Hazard and Disaster Mitigation, ISEDM 2017
Subtitle of host publication	The 7th Annual Symposium on Earthquake and Related Geohazard Research for Disaster Risk Reduction
Editors	Irwan Meilano, Takeo Ito, Phil R. Cummins, Zulfakriza
Publisher	American Institute of Physics Inc.
ISBN (Electronic)	9780735417038
DOIs	https://doi.org/10.1063/1.5047289
Publication status	Published - 18 Jul 2018
Event	7th International Symposium on Earth Hazard and Disaster Mitigation, ISEDM 2017 - Bandung, Indonesia Duration: 20 Nov 2017 → 21 Nov 2017

Publication series

Name	AIP Conference Proceedings
Volume	1987
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	7th International Symposium on Earth Hazard and Disaster Mitigation, ISEDM 2017
Country/Territory	Indonesia
City	Bandung
Period	20/11/17 → 21/11/17

Access to Document

10.1063/1.5047289

Cite this

Pranata, B., Yudistira, T., Saygin, E., Cummins, P. R., Widiyantoro, S., Brahmantyo, B., & Zulfakriza (2018). Seismic microzonation of Bandung basin from microtremor horizontal-to-vertical spectral ratios (HVSR). In I. Meilano, T. Ito, P. R. Cummins, & Zulfakriza (Eds.), International Symposium on Earth Hazard and Disaster Mitigation, ISEDM 2017: The 7th Annual Symposium on Earthquake and Related Geohazard Research for Disaster Risk Reduction Article 020004 (AIP Conference Proceedings; Vol. 1987). American Institute of Physics Inc.. https://doi.org/10.1063/1.5047289

Pranata, Bayu ; Yudistira, Tedi ; Saygin, Erdinc et al. / Seismic microzonation of Bandung basin from microtremor horizontal-to-vertical spectral ratios (HVSR). International Symposium on Earth Hazard and Disaster Mitigation, ISEDM 2017: The 7th Annual Symposium on Earthquake and Related Geohazard Research for Disaster Risk Reduction. editor / Irwan Meilano ; Takeo Ito ; Phil R. Cummins ; Zulfakriza. American Institute of Physics Inc., 2018. (AIP Conference Proceedings).

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title = "Seismic microzonation of Bandung basin from microtremor horizontal-to-vertical spectral ratios (HVSR)",

abstract = "Bandung is located on a thick sedimentary basin, which is mainly composed of volcanic rocks and the depositional remnants of an ancient lake. The high population density and vital infrastructure, surrounding by potential sources of earthquakes make Bandung vulnerable to earthquake impact. To study the seismic response of Bandung, a microzonation study is needed so as to facilitate disaster risk assessment and mitigation. The parameters which are mapped for the purpose of microzonation are the distribution of the dominant frequency (F0), the amplification factor (Am) and seismic susceptibility (Kg). We use the HVSR analysis method with microtremor/ambient seismic noise data. The microtremor data were taken from 58 measurement points from the Bandung Seismic Experiment network run from March to October 2014 in the Bandung basin and surrounding areas. The results show that the dominant peak frequency in the studied area ranges from 0.195 Hz to 7.016 Hz, amplification (A) spans from 1.6 to 11.3, and the value of the seismic susceptibility index (Kg) ranges from 0.6 to 245.6. The spatial distribution of seismic susceptibility index indicates that almost all areas of the Bandung basin have high susceptibility to earthquake hazard. The highest susceptibility is found in the eastern part of the Bandung basin that includes Bojongsoang, Rancaekek, Ciparay, Rancasari, and Majalaya, while the lower susceptibility zones are scattered in the hills and mountains around the basin of Bandung.",

keywords = "Microzonation, ambient seismic noise, amplification factor, dominant frequency, seismic susceptibility index",

author = "Bayu Pranata and Tedi Yudistira and Erdinc Saygin and Cummins, {Phil R.} and Sri Widiyantoro and Budi Brahmantyo and Zulfakriza",

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doi = "10.1063/1.5047289",

language = "English",

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publisher = "American Institute of Physics Inc.",

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Pranata, B, Yudistira, T, Saygin, E, Cummins, PR, Widiyantoro, S, Brahmantyo, B & Zulfakriza 2018, Seismic microzonation of Bandung basin from microtremor horizontal-to-vertical spectral ratios (HVSR). in I Meilano, T Ito, PR Cummins & Zulfakriza (eds), International Symposium on Earth Hazard and Disaster Mitigation, ISEDM 2017: The 7th Annual Symposium on Earthquake and Related Geohazard Research for Disaster Risk Reduction., 020004, AIP Conference Proceedings, vol. 1987, American Institute of Physics Inc., 7th International Symposium on Earth Hazard and Disaster Mitigation, ISEDM 2017, Bandung, Indonesia, 20/11/17. https://doi.org/10.1063/1.5047289

Seismic microzonation of Bandung basin from microtremor horizontal-to-vertical spectral ratios (HVSR). / Pranata, Bayu; Yudistira, Tedi; Saygin, Erdinc et al.
International Symposium on Earth Hazard and Disaster Mitigation, ISEDM 2017: The 7th Annual Symposium on Earthquake and Related Geohazard Research for Disaster Risk Reduction. ed. / Irwan Meilano; Takeo Ito; Phil R. Cummins; Zulfakriza. American Institute of Physics Inc., 2018. 020004 (AIP Conference Proceedings; Vol. 1987).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Seismic microzonation of Bandung basin from microtremor horizontal-to-vertical spectral ratios (HVSR)

AU - Pranata, Bayu

AU - Yudistira, Tedi

AU - Saygin, Erdinc

AU - Cummins, Phil R.

AU - Widiyantoro, Sri

AU - Brahmantyo, Budi

AU - Zulfakriza,

PY - 2018/7/18

Y1 - 2018/7/18

N2 - Bandung is located on a thick sedimentary basin, which is mainly composed of volcanic rocks and the depositional remnants of an ancient lake. The high population density and vital infrastructure, surrounding by potential sources of earthquakes make Bandung vulnerable to earthquake impact. To study the seismic response of Bandung, a microzonation study is needed so as to facilitate disaster risk assessment and mitigation. The parameters which are mapped for the purpose of microzonation are the distribution of the dominant frequency (F0), the amplification factor (Am) and seismic susceptibility (Kg). We use the HVSR analysis method with microtremor/ambient seismic noise data. The microtremor data were taken from 58 measurement points from the Bandung Seismic Experiment network run from March to October 2014 in the Bandung basin and surrounding areas. The results show that the dominant peak frequency in the studied area ranges from 0.195 Hz to 7.016 Hz, amplification (A) spans from 1.6 to 11.3, and the value of the seismic susceptibility index (Kg) ranges from 0.6 to 245.6. The spatial distribution of seismic susceptibility index indicates that almost all areas of the Bandung basin have high susceptibility to earthquake hazard. The highest susceptibility is found in the eastern part of the Bandung basin that includes Bojongsoang, Rancaekek, Ciparay, Rancasari, and Majalaya, while the lower susceptibility zones are scattered in the hills and mountains around the basin of Bandung.

AB - Bandung is located on a thick sedimentary basin, which is mainly composed of volcanic rocks and the depositional remnants of an ancient lake. The high population density and vital infrastructure, surrounding by potential sources of earthquakes make Bandung vulnerable to earthquake impact. To study the seismic response of Bandung, a microzonation study is needed so as to facilitate disaster risk assessment and mitigation. The parameters which are mapped for the purpose of microzonation are the distribution of the dominant frequency (F0), the amplification factor (Am) and seismic susceptibility (Kg). We use the HVSR analysis method with microtremor/ambient seismic noise data. The microtremor data were taken from 58 measurement points from the Bandung Seismic Experiment network run from March to October 2014 in the Bandung basin and surrounding areas. The results show that the dominant peak frequency in the studied area ranges from 0.195 Hz to 7.016 Hz, amplification (A) spans from 1.6 to 11.3, and the value of the seismic susceptibility index (Kg) ranges from 0.6 to 245.6. The spatial distribution of seismic susceptibility index indicates that almost all areas of the Bandung basin have high susceptibility to earthquake hazard. The highest susceptibility is found in the eastern part of the Bandung basin that includes Bojongsoang, Rancaekek, Ciparay, Rancasari, and Majalaya, while the lower susceptibility zones are scattered in the hills and mountains around the basin of Bandung.

KW - Microzonation

KW - ambient seismic noise

KW - amplification factor

KW - dominant frequency

KW - seismic susceptibility index

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U2 - 10.1063/1.5047289

DO - 10.1063/1.5047289

M3 - Conference contribution

T3 - AIP Conference Proceedings

BT - International Symposium on Earth Hazard and Disaster Mitigation, ISEDM 2017

A2 - Meilano, Irwan

A2 - Ito, Takeo

A2 - Cummins, Phil R.

A2 - Zulfakriza, null

PB - American Institute of Physics Inc.

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Y2 - 20 November 2017 through 21 November 2017

ER -

Pranata B, Yudistira T, Saygin E, Cummins PR, Widiyantoro S, Brahmantyo B et al. Seismic microzonation of Bandung basin from microtremor horizontal-to-vertical spectral ratios (HVSR). In Meilano I, Ito T, Cummins PR, Zulfakriza, editors, International Symposium on Earth Hazard and Disaster Mitigation, ISEDM 2017: The 7th Annual Symposium on Earthquake and Related Geohazard Research for Disaster Risk Reduction. American Institute of Physics Inc. 2018. 020004. (AIP Conference Proceedings). doi: 10.1063/1.5047289

Seismic microzonation of Bandung basin from microtremor horizontal-to-vertical spectral ratios (HVSR)

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