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Integral source characteristics of the Sumatra earthquakes of December 26, 2004, and March 28, 2005

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Abstract

The integral characteristics of source geometry, source duration, and rupture propagation for the Sumatra-Andaman earthquake of December 26, 2004 and for the March 28, 2005 earthquake near northern Sumatra have been determined. The source parameters were found by analyzing records of the higher orbits of long-period surface waves. The results are compared with the large-scale average characteristics of tomographic models for the source process based on different data sets that diverge in some details, as well as with the aftershock distribution for the considered earthquakes.

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Authors and Affiliations

  1. International Institute of Earthquake Prediction Theory and Mathematical Geophysics, Russian Academy of Sciences, Moscow, 117556, Russia

    B. G. Bukchin & A. Z. Mostinskii

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  1. B. G. Bukchin
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  2. A. Z. Mostinskii
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Original Russian Text © B.G. Bukchin, A.Z. Mostinskii, 2007, published in Vulkanologiya i Seismologiya, 2007, No. 4, pp. 58–68.

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Bukchin, B.G., Mostinskii, A.Z. Integral source characteristics of the Sumatra earthquakes of December 26, 2004, and March 28, 2005. J. Volcanolog. Seismol. 1, 263–273 (2007). https://doi.org/10.1134/S0742046307040057

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  • DOI: https://doi.org/10.1134/S0742046307040057

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