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首页> 外文期刊>Journal of earth system science >Crustal shear-wave velocity structure in Western Java, Indonesia from analysis of teleseismic receiver functions
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Crustal shear-wave velocity structure in Western Java, Indonesia from analysis of teleseismic receiver functions

机译：西爪哇省的地壳剪切波速结构，印度尼西亚免疫接收器功能分析

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We analysed receiver functions from teleseismic events recorded at 11 broadband seismometers in the western part of Java Island, Indonesia. The stations are mostly located at three main geological environment including Northwest Java Basin, Bogor Zone, and Southern Mountains Arc. A total of about 341 receiver functions were computed using iterative time domain deconvolution. We derived shear-wave velocity structure and crustal $Vp/Vs$ ratio by inverting stacked radial receiver functions using non-linear neighbourhood algorithm. Inversion results show sediment thickness varies between 1 and 2 km thick in Western Java. Our inversion shows that crustal thickness in this region varies between 25 and 32 km. Average crustal $Vp/Vs$ ratio is estimated to be about 1.69a??1.78. We hope the study may provide useful information for velocity model and crustal thickness for Indonesia region.
机译：我们分析了在印度尼西亚Java岛的西部11个宽带地震仪上记录的Telesismic事件的接收函数。这些车站主要位于三个主要地质环境，包括西北爪哇盆地，茂物区和南部山脉弧。使用迭代时域解卷计算总共约341个接收器功能。我们通过使用非线性邻域算法反转堆叠的径向接收器功能来衍生剪切波速度结构和地壳VP / VS $比。反演结果显示沉积物厚度在西爪哇省1到2公里之间变化。我们的反演表明，该地区的地壳厚度在25到32公里之间变化。估计平均地壳vp / vs $率为1.69A 1.78。我们希望该研究可以为印度尼西亚地区提供速度模型和地壳厚度提供有用的信息。

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