Tasikmalaya, as the capital city of Tasikmalaya Prefecture in West Java Province, Indonesia, which has a high density population. More than 600.000 peoples are living in this city, many buildings, and some important infrastructures has been built. Base on probabilistic seismic hazard map of Indonesia by National Standardization Agency, shown the Tasikmalaya City located at the region of Peak Ground Acceleration (PGA)= 0.4 – 0.5 g and Pseudo Spectral Acceleration (PSA SS: 0.2 second and PSA S1: 1 second= 0.7 – 0.8g and 0.4 – 0.5g, for Soil Class SB, 2% probability in 50 years. In order to mitigate seismic risk, a potential seismic hazard micro-zonation map has been produced as guidance for urban city planning. We classify three potential seismic hazard micro-zonation based on the wave velocity of Vs30. The first class is High Potential Seismic Hazard Zones (Vs30 < 175 m/second and amplification 2), the second is Medium Potential Seismic Hazard Zonation (Vs30= 175 – 350 m/second and amplification 1.5), and the third is Low Potential Seismic Hazard Zonation (Vs30 = 350 – 750 m/second and amplification 1). The assessment of potential seismic hazard and risk refer to National Standardization Agency, the building and non-building has the risk categories I, II, III, and IV which are located in High, Medium and Low Potential Seismic Hazard Zonation’s. The risk category recommend to have building and non-building structures with seismic design categories D. However, the building and non-building that have been built do not follow the seismic design particularly design category D. Therefore, potential seismic risk and seismic design categories are recommended to be applied to spatial planning as an effort to mitigate earthquake risk in the city of Tasikmalaya. We defined 9 active faults and 5 potential active faults surrounding in the city. Most of them are threaten the settlement with a variety of maximum credible earthquake.
| Published in | Earth Sciences (Volume 11, Issue 4) |
| DOI | 10.11648/j.earth.20221104.18 |
| Page(s) | 220-231 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2022. Published by Science Publishing Group |
Seismic Micro-zonation, Risk, Seismic Design Category, Tasikmalaya-Indonesia
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APA Style
Asdani Soehaimi, Sukahar Eka Adi Saputra, Yayan Sopyan, Rio Alcanadre Tanjung, Rizky Komalasari, et al. (2022). Seismic Hazard Microzonation of Tasikmalaya City, West Java Province, Indonesia. Earth Sciences, 11(4), 220-231. https://doi.org/10.11648/j.earth.20221104.18
ACS Style
Asdani Soehaimi; Sukahar Eka Adi Saputra; Yayan Sopyan; Rio Alcanadre Tanjung; Rizky Komalasari, et al. Seismic Hazard Microzonation of Tasikmalaya City, West Java Province, Indonesia. Earth Sci. 2022, 11(4), 220-231. doi: 10.11648/j.earth.20221104.18
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Download@article{10.11648/j.earth.20221104.18,
author = {Asdani Soehaimi and Sukahar Eka Adi Saputra and Yayan Sopyan and Rio Alcanadre Tanjung and Rizky Komalasari and Sandy Perdana Arief Setiawan},
title = {Seismic Hazard Microzonation of Tasikmalaya City, West Java Province, Indonesia},
journal = {Earth Sciences},
volume = {11},
number = {4},
pages = {220-231},
doi = {10.11648/j.earth.20221104.18},
url = {https://doi.org/10.11648/j.earth.20221104.18},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.earth.20221104.18},
abstract = {Tasikmalaya, as the capital city of Tasikmalaya Prefecture in West Java Province, Indonesia, which has a high density population. More than 600.000 peoples are living in this city, many buildings, and some important infrastructures has been built. Base on probabilistic seismic hazard map of Indonesia by National Standardization Agency, shown the Tasikmalaya City located at the region of Peak Ground Acceleration (PGA)= 0.4 – 0.5 g and Pseudo Spectral Acceleration (PSA SS: 0.2 second and PSA S1: 1 second= 0.7 – 0.8g and 0.4 – 0.5g, for Soil Class SB, 2% probability in 50 years. In order to mitigate seismic risk, a potential seismic hazard micro-zonation map has been produced as guidance for urban city planning. We classify three potential seismic hazard micro-zonation based on the wave velocity of Vs30. The first class is High Potential Seismic Hazard Zones (Vs30 < 175 m/second and amplification 2), the second is Medium Potential Seismic Hazard Zonation (Vs30= 175 – 350 m/second and amplification 1.5), and the third is Low Potential Seismic Hazard Zonation (Vs30 = 350 – 750 m/second and amplification 1). The assessment of potential seismic hazard and risk refer to National Standardization Agency, the building and non-building has the risk categories I, II, III, and IV which are located in High, Medium and Low Potential Seismic Hazard Zonation’s. The risk category recommend to have building and non-building structures with seismic design categories D. However, the building and non-building that have been built do not follow the seismic design particularly design category D. Therefore, potential seismic risk and seismic design categories are recommended to be applied to spatial planning as an effort to mitigate earthquake risk in the city of Tasikmalaya. We defined 9 active faults and 5 potential active faults surrounding in the city. Most of them are threaten the settlement with a variety of maximum credible earthquake.},
year = {2022}
}
TY - JOUR T1 - Seismic Hazard Microzonation of Tasikmalaya City, West Java Province, Indonesia AU - Asdani Soehaimi AU - Sukahar Eka Adi Saputra AU - Yayan Sopyan AU - Rio Alcanadre Tanjung AU - Rizky Komalasari AU - Sandy Perdana Arief Setiawan Y1 - 2022/08/29 PY - 2022 N1 - https://doi.org/10.11648/j.earth.20221104.18 DO - 10.11648/j.earth.20221104.18 T2 - Earth Sciences JF - Earth Sciences JO - Earth Sciences SP - 220 EP - 231 PB - Science Publishing Group SN - 2328-5982 UR - https://doi.org/10.11648/j.earth.20221104.18 AB - Tasikmalaya, as the capital city of Tasikmalaya Prefecture in West Java Province, Indonesia, which has a high density population. More than 600.000 peoples are living in this city, many buildings, and some important infrastructures has been built. Base on probabilistic seismic hazard map of Indonesia by National Standardization Agency, shown the Tasikmalaya City located at the region of Peak Ground Acceleration (PGA)= 0.4 – 0.5 g and Pseudo Spectral Acceleration (PSA SS: 0.2 second and PSA S1: 1 second= 0.7 – 0.8g and 0.4 – 0.5g, for Soil Class SB, 2% probability in 50 years. In order to mitigate seismic risk, a potential seismic hazard micro-zonation map has been produced as guidance for urban city planning. We classify three potential seismic hazard micro-zonation based on the wave velocity of Vs30. The first class is High Potential Seismic Hazard Zones (Vs30 < 175 m/second and amplification 2), the second is Medium Potential Seismic Hazard Zonation (Vs30= 175 – 350 m/second and amplification 1.5), and the third is Low Potential Seismic Hazard Zonation (Vs30 = 350 – 750 m/second and amplification 1). The assessment of potential seismic hazard and risk refer to National Standardization Agency, the building and non-building has the risk categories I, II, III, and IV which are located in High, Medium and Low Potential Seismic Hazard Zonation’s. The risk category recommend to have building and non-building structures with seismic design categories D. However, the building and non-building that have been built do not follow the seismic design particularly design category D. Therefore, potential seismic risk and seismic design categories are recommended to be applied to spatial planning as an effort to mitigate earthquake risk in the city of Tasikmalaya. We defined 9 active faults and 5 potential active faults surrounding in the city. Most of them are threaten the settlement with a variety of maximum credible earthquake. VL - 11 IS - 4 ER -
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