Study on Location Plan of Temporary Shelter for Tsunami Disaster in Kuta Bay of Central Lombok
Adi Mawardin(1*)
(1) Research Center and Development of Water Resources, Ministry of Public Works and Housings, Central Jakarta, INDONESIA
(*) Corresponding Author
Abstract
Historical record showed in 1977, tsunami attacked Lombok and caused extensive damages due to tectonic activity. Kuta Bay located in the southern area of Lombok has a high risk of earthquake and tsunami, thus mitigation plan on tsunami attack is very important. This study aimed to determine the arrival time, run-up height of tsunami and the coverage areas, so it could be used to determine the temporary shelter location (Tempat Evakuasi Sementara-TES). Simulation of the tsunami wave propagation used the TUNAMI modified (beta version) program with three scenarios of earthquake magnitude variation (Mw), namely 7.7, 8.1, 8.3, and 7.9 (based on the Sumba earthquake event in 1977). Field surveys, questionnaire distributions, and interviews were used in determining input parameters of Tsunami Evacuation Simulation (Simulasi Evakuasi Tsunami-SET) by using 2011 EVACUWARE 1.0 version. Tsunami wave propagation simulation showed the tsunami arrival time on Kuta Bay ranged between 21 - 38 minutes. Tsunami run-up height was about 1.01 - 8.71 meters along Kuta Bay, with the farthest distance of inundation was 860 meters from the seashore. The percentage of survivors based on SET results in scenario 1 and 2 for 20 minutes of evacuation time were respectively, 63.62% and 93.27%.
Keywords
Full Text:
PDFReferences
Federal Emergency Management Agency, 2008. Guidelines for Design of Structures for Vertical Evacuation from Tsunamis. California: FEMA.
Benazir, 2016. Pengembangan Metode Simulasi Run-up Tsunami dan Aplikasinya pada Beberapa Kasus Tsunami di Indonesia. [Development of Tsunami Run-up Simulation Methods and Application to Several Tsunami Cases in Indonesia]. Yogyakarta: Universitas Gadjah Mada.
BPS Kabupaten Lombok Tengah, 2016. Lombok Tengah dalam Angka. [Central Lombok in Number]. Lombok Tengah: BPS Kabupaten Lombok Tengah.
Kongko, W., 2011. South Java Tsunami Model Using Highly Resolved Data and Probable Tsunamigenic Sources. Germany: Leibniz Universitaet Hannover.
Nakamura, S., 1979. Note on the Indonesian Earthquake and Tsunami of 19 August 1977. Japanese Journal of Southeast Asian Studies, pp. 157-162.
Scripps Institution of Oceanography, 2017. Extract XYS Grid - Topography of Gravity. [Online]
Available at: http://topex.ucsd.edu/cgi-bin/get_data.cgi
Sudiartha, G. & Santoso, K., 2011. Rekomendasi Pengembangan Sistem Peringatan Dini Tsunami di Lombok Nusa Tenggara Barat. Mataram: BPBD-NTB.
Triatmadja, R., 2015. Numerical Simulation of An Evacuation Front Tsunami at Parangtritis Beach in Indonesia. Journal of Tsunami Society International, pp. 50-66.
USGS, 2017. Earth Explorer. [Online]
Available at: https://earthexplorer.usgs.gov/
DOI: https://doi.org/10.22146/jcef.38787
Article Metrics
Abstract views : 2322 | views : 2141Refbacks
- There are currently no refbacks.
Copyright (c) 2022 The Author(s)
The content of this website is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
ISSN 5249-5925 (online) | ISSN 2581-1037 (print)
Jl. Grafika No.2 Kampus UGM, Yogyakarta 55281
Email : jcef.ft@ugm.ac.id
JCEF Stats