Moment tensor analysis using regional and temporary deployment 2008 data for Sumatran active fault zone earthquakes

P. Lestari; S. Sunaryo; S. Syuhada

doi:10.1088/1742-6596/1191/1/012013

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Moment tensor analysis using regional and temporary deployment 2008 data for Sumatran active fault zone earthquakes

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P. Lestari, S. Sunaryo, S. Syuhada

2019 Journal of Physics: Conference Series Vol. 1191 Issue 1 Conference paper Cited by 0 SDG 13

Abstract

The purpose of this study is to determine the focal mechanisms of the earthquakes through moment tensor inversion of seismograms derived from local events in Sumatran fault zone. We use ISOLA software for data processing which is widely used to estimate the source parameters from local events. We retrieve seismogram data from three selected local events recorded by ZB temporary deployment and BMKG-GEOFON networks. The inversion results reveal that the deformation style around this fault zone is dominated by strike slip motion with shallow focal depths. These results are also consistent with regional active tectonics revealed by other geophysical and geological studies. © 2019 Published under licence by IOP Publishing Ltd.

Affiliations

Department of Physics, Faculty of Mathematics and Science, Universitas Negeri Jakarta, Rawamangun, Jakarta, 13220, Indonesia; Research Centre for Physics, Indonesian Institute of Sciences (LIPI), Tangerang, Indonesia

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