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首页> 外文期刊>Soil Dynamics and Earthquake Engineering >Ground motion prediction equations for distant subduction interface earthquakes based on empirical data in the Malay Peninsula and Japan
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Ground motion prediction equations for distant subduction interface earthquakes based on empirical data in the Malay Peninsula and Japan

机译：基于马来半岛和日本的经验数据的远程俯冲接口地震地面运动预测方程

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摘要

Ground motion prediction equations (GMPEs) for earthquakes that occur in subduction zones, including both interface and slab parts, have a major impact on seismic hazard analysis in many parts of the world. For example, in the Sumatran subduction region, there could be a remarkable hazard for the Malay Peninsula due to the large megathrust earthquakes that occur far from the region along the subduction interface. This study has developed new empirical spectral GMPEs for long-distance subduction interface earthquakes based on the recorded ground motion data in the Malay Peninsula and Japan. The compiled ground motion database is from hundreds of ground motion recordings due to twenty five reliably identified subduction interface events with moment magnitude [M] of 5.0-9.1 and hypocentral distance (R-hyp) up to 1300 km. The data from the large megathrust earthquakes with M = 7.0 such as 2011 M 9.1 Tohoku-Japan, the 2007 M 8.5 earthquake near Bengkulu in Sumatra Island, 2005 M 8.6 Nias-Sumatra, and 2004 M 9.0 Aceh-Sumatra earthquakes were included in the database. The proposed GMPEs are able to predict peak ground acceleration (PGA), peak ground velocity (PGV), and 5% damped pseudo-spectral acceleration (PSA) for four different site classes based on the National Earthquake Hazards Reduction Program (NEHRP) site classification. The results of this study could be applied to develop logic tree frameworks for seismic hazard analyses of Peninsular Malaysia as well as the regions affected by large and distant subduction interface earthquake events.
机译：地面运动预测方程（GMPE）用于俯冲区域发生的地震，包括界面和板坯部分，对世界许多地区的地震危害分析产生了重大影响。例如，在Sumatran俯冲区域中，由于沿着俯冲界面远离区域的大型巨大地震，对马来半岛可能具有显着危害。该研究基于马来半岛和日本的记录的地面运动数据，开发了新的经验频谱GMPE用于长距离俯冲界面地震。由于二十五个可靠地确定了俯冲型界面事件，俯冲型界面事件的阶段[M]为5.0-9.1，斜视距离（R-hyp），高达1300公里，所编制的地面运动数据库来自数百个地面运动记录。来自M＆GT的大型Megathrust地震的数据在数据库中。基于国家地震危害减少计划（NEHRP）现场分类。本研究的结果可用于开发逻辑树框架，用于对半岛马来西亚的地震危害分析以及受大型郊区地震事件影响的区域。

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