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Earthquake fault of the 26 May 2006 Yogyakarta earthquake observed by SAR interferometry

机译:用SAR干涉仪观测到2006年5月26日日惹地震的地震断层。

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We analyzed synthetic aperture radar interferometry (InSAR) to reveal surface deformation associated with the 26 May 2006 Yogyakarta earthquake, for which the fault location and geometry have not been clearly determined. Our results demonstrate that surface deformation occurred ~10 km east of the Opak River fault thought to be the source of the May 2006 event and that the probable causative fault delineated in this study is consistent with aftershock epicenters determined by a temporary seismic network. The trace of the causative fault bends at its southern termination toward the Opak River fault as if it were a splay. Our data demonstrate that another probable slip plane extends across Yogyakarta and that the heavily damaged areas covered by young volcanic deposits may have undergone subsidence during the earthquake.
机译:我们分析了合成孔径雷达干涉测量法(InSAR),以揭示与2006年5月26日日惹地震相关的表面变形,对于该地震,其断层位置和几何形状尚未明确确定。我们的结果表明,表面变形发生在奥帕克河断层以东约10 km处,该断层被认为是2006年5月事件的源头,并且该研究中描述的可能的病因断层与由临时地震网络确定的余震震中一致。致病性断层的痕迹在其南端向奥帕克河断层弯曲,好像是个八角形。我们的数据表明,另一个可能的滑动平面横穿日惹,并且在地震期间,年轻的火山岩沉积所覆盖的严重受损区域可能已经沉降。

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