Ground-motion Simulation For The Eastern
Province Of Saudi Arabia
Using A Stochastic Model
Author(s)
M. S. Fnais
Abstract
The eastern Arabian Peninsula lies close to Zagros fold-thrust fault belt that has
been considered as one of the most active seismotectonic regions in the Middle
East, where the occurrences of large earthquakes (Mw ≥ 5.0) are in abundance.
The southern Kuwait seismic zone is the nearest source to the study area. Hence,
a wide spread damage can be expected in this region due to the presence of thick
section of soft sediments. Here earthquake catalogue is compiled, reviewed
precisely and compared with the international seismological data. The affected
seismotectonic zones are modeled and their seismicity parameters and maximum
moment magnitude are estimated. Peak Ground Acceleration values for
earthquakes with magnitudes 4.0 ≤ Mw ≤ 7.5 have been simulated at distances up
to 300 km from the source using a stochastic model. The predicted attenuation
for Peak Ground Acceleration (PGA) at bedrock is estimated as: log (PGA) =
-0.94 + 0.249 Mw – log r – 0.00233r + 0.19 P. With the help of this equation, the
potential seismic hazard for the eastern part of the Arabian Peninsula can be
assessed.
Keywords: ground motion simulation, stochastic, seismicity, seismotectonic
zones, eastern province.
1 Introduction
The Eastern province of Saudi Arabia becomes one of the important zones
throughout Saudi Arabia where important commercial and densely populated
cities are located. In addition, the strategic petroleum industries are of utmost
importance to national and international interest. The area has experienced (June
Keywords
ground motion simulation, stochastic, seismicity, seismotectonic
zones, eastern province
Related Book
Other papers in this volume
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