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A Proposed Method of Seismic and Tsunami Hazard Assessment, Case Study Sumatra (bibtex)
by Rini Mulyani, Shaukat Ali Khan, Kypros Pilakoutas, Maurizio Guadagnini, Iman Hajirasouliha
Abstract:
Recent destructive earthquakes followed by tsunami, such as the Great Sumatra earthquake in 2004, have highlighted the importance of appropriate mitigation strategies. Although extensive research has been carried out to investigate seismic ground motion or tsunami hazards in prone regions, these studies do not consider the combination of both hazards. As a result, the hazard for the regions prone to the risk of tsunamis is more likely to be underrated. This paper presents some modifications to an existing Probabilistic Seismic Hazard Analysis (PSHA) framework to include the tsunami hazard. The seismic hazard analysis is performed probabilistically by producing synthetic earthquakes based on earthquake fault ruptures. West Sumatra is selected as a case study area. Particular situations encountered in Sumatra such as the existance of seismic gap and extreme eartquake events are investigated. A Probabilistic Tsunami Hazard Analysis (PTHA) module is utilized, which corresponds to the PSHA framework. Empirical equations are used to determine mean and maximum tsunami run-up expected in the area under study. The seismic hazard map and tsunami wave height prediction produced in this study show very good correlation with previously reported hazard assessments of Sumatra.
Reference:
A Proposed Method of Seismic and Tsunami Hazard Assessment, Case Study Sumatra (Rini Mulyani, Shaukat Ali Khan, Kypros Pilakoutas, Maurizio Guadagnini, Iman Hajirasouliha), In 2010 SECED Young Engineers Conference, Society for Earthquake and Civil Engineering Dynamics, 2010. (Electronic proceedings)
Bibtex Entry:
@INPROCEEDINGS{Mulyani2010,
  author = {Rini Mulyani and {Shaukat Ali} Khan and Kypros Pilakoutas and Maurizio
	Guadagnini and Iman Hajirasouliha},
  title = {A Proposed Method of Seismic and Tsunami Hazard Assessment, Case
	Study Sumatra},
  booktitle = {2010 SECED Young Engineers Conference, Society for Earthquake and
	Civil Engineering Dynamics},
  year = {2010},
  address = {London, United Kingdom},
  month = {November},
  note = {Electronic proceedings},
  abstract = {Recent destructive earthquakes followed by tsunami, such as the Great
	Sumatra earthquake in 2004, have highlighted the importance of appropriate
	mitigation strategies. Although extensive research has been carried
	out to investigate seismic ground motion or tsunami hazards in prone
	regions, these studies do not consider the combination of both hazards.
	As a result, the hazard for the regions prone to the risk of tsunamis
	is more likely to be underrated. This paper presents some modifications
	to an existing Probabilistic Seismic Hazard Analysis (PSHA) framework
	to include the tsunami hazard. The seismic hazard analysis is performed
	probabilistically by producing synthetic earthquakes based on earthquake
	fault ruptures. West Sumatra is selected as a case study area. Particular
	situations encountered in Sumatra such as the existance of seismic
	gap and extreme eartquake
	
	events are investigated. A Probabilistic Tsunami Hazard Analysis (PTHA)
	module is utilized, which corresponds to the PSHA framework. Empirical
	equations are used to determine mean and maximum tsunami run-up expected
	in the area under study. The seismic hazard map and tsunami wave
	height prediction produced in this study show very good correlation
	with previously reported hazard assessments of Sumatra.},
  keywords = {earthquake, seismic, tsunami, hazard, risk and probabilistic analysis},
  owner = {Maurizio},
  timestamp = {2010.11.10}
}
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