Abstract
This paper reviews the fault parameters used in the literatures of tsunami source simulations for the 26 December, 2004 Sumatra–Andaman tsunami, as well as understanding of the geology and geography of the Sunda Trench. Although the source of tsunami generation is exclusive, the parameters used in the simulations differ according to source of data, method of parameter derivation and modeling experiences. Hence, identification of possible future source generations and results for best fit parameters obtained from literature review are integrated to be used for future simulations. Based on the literature review conducted, it is clear that the parameters of tsunami source generation play a vital component and indication in amplifying effects in the coastal areas. Hence, earlier identification of possible fault rupture parameters in the Andaman Sea provides an information about the effects of the future risks of tsunami towards the west-coast of Malaysia.
Highlights
It was more than a decade ago that the megathrust year 2004 Andaman tsunami shocked the entire world with its devastating aftermath effects
The deadly tsunami killed more than 250 000 people with 68 of it were in Malaysia
Subduction zone of the earthquake in the Sunda Trench is where the India Plate is subducted by the Burma Plate
Summary
It was more than a decade ago that the megathrust year 2004 Andaman tsunami shocked the entire world with its devastating aftermath effects. This relationship can be manifested as the maximum earthquake magnitude increases linearly with convergence rate and decreases linearly with the subduction plate age [6] This relationship explains the historical records, where Sumatran region experiences more devastating earthquakes since the past hundreds of years as compared to the region of Nicobar and Andaman Islands. From reviewing the fault parameters used by researchers to simulate the last 2004 SumatraAndaman tsunami, an insight of possible locations and parameters of rupture source can be identified While addressing this matter, the authors managed to find the gap in the previous simulations done in assessing the worst-case scenario in the west-coast of Peninsular Malaysia.
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