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首页> 外文期刊>Arabian Journal for Science and Engineering. Section A, Sciences >Ground-Motion Relations for Subduction-Zone Earthquakes in Java Island, Indonesia
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Ground-Motion Relations for Subduction-Zone Earthquakes in Java Island, Indonesia

机译：印度尼西亚爪哇岛俯冲带地震的地震动关系

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摘要

Predictive relations are presented for peak ground acceleration and 5% damped response spectral acceleration at frequencies of 1, 2 and 5Hz for subduction-zone earthquakes in Java Island. The dataset includes 1825 strong-motion recordings from 152 subduction-zone earthquakes of moment magnitude (M) 4.8-8.6 that occurred between 2008 and 2013. The data include 42 additional events from Sumatra subduction zones. The predictive relations are developed for both interface and in-slab events on rock sites (B and C class) and soil sites (D and E class). These relations are important because Java Island is a seismically active and densely populated region in Indonesia and no region-specific ground-motion relations have been developed yet for the island. The available relations (i.e., Atkinson and Boore in Bull Seismol Soc Am 93:1703-1729, 2003; Youngs et al. in Seismol Res Lett 68(1):58-73, 1997) were found to be unreliable in predicting previously recorded subduction events in Java Island. Thus, we undertook this study to develop ground-motions relations specific to Java Island. Our predictions are generally lower than those predicted by Youngs et al. (Seismol Res Lett 68(1):58-73, 1997) and significantly higher for moderate events than those of Atkinson and Boore (Bull Seismol Soc Am 93:1703-1729, 2003. Predicting ground shaking is a key step in anticipating earthquake effects in the region. The ground-motion predictive relations developed in this study can be used in probabilistic seismic hazard assessment studies in Java Island.
机译：给出了爪哇岛俯冲带地震在1、2和5Hz频率下的峰值地面加速度和5％阻尼响应谱加速度的预测关系。该数据集包括2008年至2013年之间发生的152个俯冲级地震（M）4.8-8.6地震的1825次强运动记录。数据包括来自苏门答腊俯冲带的42次其他事件。针对岩石场所（B和C类）和土壤场所（D和E类）的界面事件和板内事件开发了预测关系。这些关系之所以重要，是因为爪哇岛是印度尼西亚地震活跃且人口稠密的地区，并且尚未对该岛建立特定区域的地震动关系。发现可用的关系（例如，Bat Seismol Soc Am 93：1703-1729，2003； Youngs等人在Seismol Res Lett 68（1）：58-73，1997中的Atkinson和Boore）在预测先前记录的过程中是不可靠的爪哇岛的俯冲事件。因此，我们进行了这项研究，以开发特定于爪哇岛的地震动关系。我们的预测通常低于Youngs等人的预测。 （Seismol Res Lett 68（1）：58-73，1997），中度事件明显高于Atkinson和Boore（Bull Seismol Soc Am 93：1703-1729，2003）。预测地面震动是预测地震的关键步骤本研究开发的地震动预测关系可用于爪哇岛的概率地震灾害评估研究。

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