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Journal of Earthquake and Tsunami, 2023
The rupture process of large earthquakes is generally complex and contains multiple sub-faults planes with different focal mechanisms. The focal mechanisms inversion of these sub-faults by applying the Multi-Point-Source Faulting Representations (MPSFR) are essential for seismic stress analysis and earthquake disaster assessment.
Jie-Min Wang +7 more
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The rupture process of large earthquakes is generally complex and contains multiple sub-faults planes with different focal mechanisms. The focal mechanisms inversion of these sub-faults by applying the Multi-Point-Source Faulting Representations (MPSFR) are essential for seismic stress analysis and earthquake disaster assessment.
Jie-Min Wang +7 more
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Pure and Applied Geophysics, 2017
Recent studies in dynamic source modeling and kinematic source inversion show that earthquake rupture may contain greater complexity than we previously anticipated, including multiple slipping at a given point on a fault. Finite source inversion methods suffer from the nonuniqueness of solutions, and it may become more serious if we aim to resolve more
Seok Goo Song, Luis A. Dalguer
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Recent studies in dynamic source modeling and kinematic source inversion show that earthquake rupture may contain greater complexity than we previously anticipated, including multiple slipping at a given point on a fault. Finite source inversion methods suffer from the nonuniqueness of solutions, and it may become more serious if we aim to resolve more
Seok Goo Song, Luis A. Dalguer
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Bulletin of the Seismological Society of America, 1990
AbstractWe use the exceptional set of strong ground motion records obtained during one of the largest aftershocks (ML = 5.0) of the 1979 Imperial Valley earthquake to study the time history of rupture on a kilometric size fault. We apply single crack, composite cracks, and dislocation earthquake models to simulate the source and calculate the ground ...
Jean-Christophe Gariel +2 more
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AbstractWe use the exceptional set of strong ground motion records obtained during one of the largest aftershocks (ML = 5.0) of the 1979 Imperial Valley earthquake to study the time history of rupture on a kilometric size fault. We apply single crack, composite cracks, and dislocation earthquake models to simulate the source and calculate the ground ...
Jean-Christophe Gariel +2 more
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Chinese Journal of Geophysics, 2009
AbstractResponse to tectonic stress, micro ruptures will be produced in media within and surrounding a seismic source. With steady building up of stress, these ruptures will grow to become a rupture chain of some scale, indicative of a critical state of stress concentration.
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AbstractResponse to tectonic stress, micro ruptures will be produced in media within and surrounding a seismic source. With steady building up of stress, these ruptures will grow to become a rupture chain of some scale, indicative of a critical state of stress concentration.
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Journal of Asian Earth Sciences, 2019
Abstract We study the initial rupturing process of the 2008 Mw7.9 Wenchuan earthquake occurred on the eastern Qinghai-Tibetan Plateau, using the back-projection method and the P-wave phases recorded by a near-source seismic array deployed in the Zipingpu reservoir region.
Meng Gong +4 more
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Abstract We study the initial rupturing process of the 2008 Mw7.9 Wenchuan earthquake occurred on the eastern Qinghai-Tibetan Plateau, using the back-projection method and the P-wave phases recorded by a near-source seismic array deployed in the Zipingpu reservoir region.
Meng Gong +4 more
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SOURCE RUPTURE PROCESS OF THE 2022 MS 6.8 LUDING EARTHQUAKE DEDUCED FROM STRONG MOTION DATA
An Ms 6.8 earthquake occurred on September 5, 2022 in Luding Country, Ganzi Prefecture, Sichuan Province, China. A large number of strong motion records were obtained by the National System for Fast Intensity Report and Earthquake Early Warning Project.Quancai, Xie +2 more
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Earthquake source processes are described based on friction laws on faults, bulk constitutive behavior of the surrounding medium, and the stress state of an intricate fault network, including off-fault damage. The combination of these components forms a dynamic earthquake rupture model that accounts for the seismological, geodetic, and geological ...
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