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Kinematics and Dynamics of the 24 January 2020 Mw 6.7 Elazig, Turkey Earthquake

机译:2020年1月24日MW 6.7 Elazig,土耳其地震的运动学和动态

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We determine rupture kinematics of the 2020 Mw 6.7 Elazig, Turkey earthquake from joint inversion of interferometric synthetic aperture radar (InSAR) measurements, regional 1?Hz Global Navigation Satellite System (GNSS), strong motion, and teleseismic waveforms, and we also use dynamic modeling to assess the faulting properties to explain the observed kinematics. Our work shows that this event predominantly ruptured unilaterally toward the SW along the East Anatolian Fault Zone at a speed as slow as 2.0?km/s for ~20?s, and three main asperities are formed with a depth ranging from 20?km to the surface, but the surface rupture seems negligible. Besides, the dynamic model reveals an initial heterogeneous stress distribution with variations up to 30?MPa, which has been probably built up during the interseismic period. While this event does not seem to promote the failure of Pazarc?k seismic gap, it remains elusive to evaluate the disturbed seismic potential between Elazig and Bingol regions.
机译:我们确定2020 MW 6.7 Elazig的破裂运动学,从干涉式合成孔径雷达(Insar)测量的联合反演,区域1?Hz全球导航卫星系统(GNSS),强烈的运动和Telesmicic波形,我们也使用动态建模以评估故障特性以解释观察到的运动学。我们的工作表明,这一事件以东扎托洛利亚断层区的速度为主,这一事件沿着东扎纳托利亚断裂区速度为2.0〜20?S的速度,并且三个主要的粗糙度形成,深度为20?Km表面,但表面破裂似乎可忽略不计。此外,动态模型揭示了初始异构应力分布,变化高达30?MPa,这在志中可能在造型期间建立。虽然这个事件似乎没有促进Pazarc的失败?K地震差距,但它仍然难以评估Elazig和突罗地区之间的扰动的地震潜力。

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