THE EFFECT OF THE LATEST SUMATRA EARTHQUAKE TO MALAYSIAN PENINSULAR
DOI:
https://doi.org/10.11113/mjce.v14.15646Abstract
Although the Malaysian Peninsular is located relatively faraway from the seismic
source zone of Sumatra but the nearest distance of earthquake epicenter from
Malaysia is approximately 350 km. -Tremors due to Sumatran earthquakes have
been reported several times. The newest data from the Malaysian Meteorological
Service informed that the newest earthquake near Sumatra on 2 November 2002
had caused tremor in several cities in the Malaysian Peninsular such as Penang,
Port Klang, Selangor and Old Klang, Selangor. The tremor had caused panic
among residents of the high-rise buildings in Penang and thousands were running
out oftheir buildings.
The objective of this study is to evaluate the effect of the Sumatran Earthquake-to
the Malaysian Peninsular. This report includes the following items: 1) tectonic
setting of Sumatra, 2) location, mechanism, and size of recent earthquake, and 3)
analysis of ground acceleration at bedrock for Penang and Kuala Lumpur _using
several appropriate attenuation relationships.
Seismic analysis is performed in order to obtain Peak Ground Acceleration (PGA)
at bedrock of Penang and Kuala Lumpur. Analysis is carried out using
deterministic method and using attenuation relationships proposed by Youngs
(1997) Atkinson and Boore (1997) and Petersen (2002). Comparison study using
those three attenuation functions is also conducted in order to evaluate the effect of
selection attenuation function at site location.
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