Measuring the Qatar-Kazeron Fault Dip Using Random Finite Fault Simulation of September 27, 2010 Kazeron Earthquake and Analytical Signal Map of Satellite Magnetic Data
In this research the fault
parameters causing the September 27, 2010 Kazeron Earthquake with a magnitude
of MW = 5.8 (BHRC) were determined using the random finite fault method. The
parameters were recorded by 27 accelerometer stations. Simulation of strong ground
motion is very useful for areas about which little information and data are
available. Considering the distribution of earthquake records and the existing
relationships, for the fault plane causing the September 27, 2010 Kazeron
Earthquake the length of the fault along the strike direction and the width of
the fault along the dip direction were determined to be 10 km and 7 km,
respectively. Moreover, 10 elements were assumed along the length and 7 were
assumed along the width of the plane. Research results indicated that the
epicenter of the earthquake had a geographic coordination of 29.88N - 51.77E,
which complied with the results reported by the Institute of Geophysics Tehran
University (IGTU). In addition, the strike and dip measured for the fault causing
the Kazeron Earthquake were 27 and 50 degrees, respectively. Therefore, the
causing fault was almost parallel to and coincident with the fault. There are
magnetic discontinuities on the analytical signal map with a north-south strike
followed by a northwest-southeast strike. The discontinuities are consistent
with the trend of Kazeron fault but are several kilometers away from it.
Therefore, they show the fault depth at a distance of 12 km from the fault
surface.
Callister, W.D. and Rethwisch, D.G. (2012) Fundamentals of Materials Science and Engineering: An Integrated Approach. John Wiley & Sons, New York.
[3]
Farifteh, J., Farshad, A. and George, R.J. (2006) Assessing Salt-Affected Soils Using Remote Sensing, Solute Modelling, and Geophysics. Geoderma, 130, 191-206. http://dx.doi.org/10.1016/j.geoderma.2005.02.003
[4]
Atkinson, G.M., Assatourians, K., Boore, D.M., Campbell, K. and Motazedian, D. (2009) A Guide to Differences between Stochastic Point-Source and Stochastic Finite-Fault Simulations. Bulletin of the Seismological Society of America, 99, 3192-3201. http://dx.doi.org/10.1785/0120090058
[5]
Boore, D.M. (1983) Stochastic Simulation of High-Frequency Ground Motions Based on Seismological Models of the Radiated Spectra. Bulletin of the Seismological Society of America, 73, 1865-1894.
[6]
Anderson, J.G. and Hough, S.E. (1984) A Model for the Shape of the Fourier Amplitude Spectrum of Acceleration at High Frequencies. Bulletin of the Seismological Society of America, 74, 1969-1993.
[7]
Akkar, S. and Boore, D.M. (2009) On Baseline Corrections and Uncertainty in Response Spectrafor Baseline Variations Commonly Encounteredin Digital Accelerograph Records. Bulletin of the Seismological Society of America, 99, 1671-1690. http://dx.doi.org/10.1785/0120080206
[8]
Kinoshita, S. (1994) Frequency-Dependent Attenuation of Shear Waves in the Crust of the Southern Kanto Area, Japan. Bulletin of the Seismological Society of America, 84, 1387-1396.
[9]
Safarshahi, M., Rezapour, M. and Hamzehloo, H. (2013) Stochastic Finite-Fault Modeling of Ground Motion for the 2010 Rigan Earthquake, Southeastern Iran. Bulletin of the Seismological Society of America, 103, 223-235.
http://dx.doi.org/10.1785/0120120027
[10]
Tatar, M., Hatzfeld, D., Moradi, A.S. and Paul, A. (2005) The 2003 December 26 Bam earthquake (Iran), Mw 6.6, Aftershock Sequence. Geophysical Journal International, 163, 90-105.
http://dx.doi.org/10.1111/j.1365-246X.2005.02639.x
[11]
Wells, D.L. and Coppersmith, K.J. (1994) New Empirical Relationships among Magnitude, Rupture Length, Rupture Width, Rupture Area, and Surface Displacement. Bulletin of the Seismological Society of America, 84, 974-1002.
[12]
Boore, D.M. and Dunbar, W.S. (1977) Effect of the Free Surface on Calculated Stress Drops. Bulletin of the Seismological Society of America, 67, 1661-1664.
[13]
Boore, D.M. (2001) Effect of Baseline Corrections on Displacements and Response Spectra for Several Recordings of the 1999 Chi-Chi, Taiwan, Earthquake. Bulletin of the Seismological Society of America, 91, 1199-1211.
http://dx.doi.org/10.1785/0120000703