Use of geospatial and in situ information for seismic hazard assessment in Vrancea area, Romania

2008 Second Workshop on Use of Remote Sensing Techniques for Monitoring Volcanoes and Seismogenic Areas Pub Date : 2008-11-01 DOI:10.1109/USEREST.2008.4740335

M. Zoran

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引用次数: 1

Abstract

Due to the subcrustal earthquakes located at the sharp bend of the Southeast Carpathians, Vrancea zone in Romania, placed at conjunction of four tectonic blocks is considered one of the most seismically active areas in Europe with a high potential of seismic hazard. Multispectral and multitemporal satellite images over a period 1989-2006 have been analyzed for recognizing the continuity and regional relationships of active faults as well as for geologic and seismic hazard mapping. GPS measurements can serve as a reference to these results. GPS Romanian network stations data revealed a displacement of about 5 or 6 millimeters per year in horizontal direction relative motion, and a few millimeters per year in vertical direction. The joint analysis of geodetic, seismological and geological information on the spatial distribution of crustal deformations as well as the analysis of some earthquake precursors is revealing new insights in the field of hazard and risk approach for Vrancea area.

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在罗马尼亚弗朗西亚地区使用地理空间和现场信息进行地震灾害评估

由于地壳下地震位于喀尔巴阡山脉东南部的陡坡处，罗马尼亚的弗朗西亚地区位于四个构造块的交汇处，被认为是欧洲地震最活跃的地区之一，具有很高的地震危险潜力。对1989-2006年期间的多光谱和多时相卫星图像进行了分析，以识别活动断层的连续性和区域关系，以及地质和地震灾害制图。GPS测量可以作为这些结果的参考。罗马尼亚GPS台站的数据显示，在水平方向上相对运动的位移约为每年5或6毫米，在垂直方向上每年几毫米。通过对地壳形变空间分布的大地测量、地震和地质信息的联合分析，以及对一些地震前兆的分析，为弗朗西亚地区的灾害和风险方法领域提供了新的见解。

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来源期刊

2008 Second Workshop on Use of Remote Sensing Techniques for Monitoring Volcanoes and Seismogenic Areas

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