| 地震安评中地震活动性的统计区域与b值 |
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| 引用本文： | 沈建文,余湛,邱瑛.地震安评中地震活动性的统计区域与b值[J].国际地震动态,2007(3):1-6. |
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| 作者姓名： | 沈建文 余湛 邱瑛 |
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| 作者单位： | 1. 上海市地震局,上海,200062
2. 同济大学,上海,200092 |
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| 基金项目： | 浙江省重点科研社会发展项目(2005C23075) |
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| 摘 要： | 本文讨论我国现行地震安全性评价中,地震活动性研究统计区域的选择及b值计算中存在的问题,提出不一定以地震区带作为统计区域的建议。文中同时指出,累计b值的正确概念应该是无震级上限累计b值,应采用迭代回归计算。文中用实际例子说明作者的建议。
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| 关 键 词： | 地震安全性评价 地震带 统计区域 b值 |
| 修稿时间： | 2007-02-07 |
Statistical Zone in Seismic Safety Evaluation and b Value |
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| She Jianwen,Yu Zhan,Qiu Ying.Statistical Zone in Seismic Safety Evaluation and b Value[J].Recent Developments in World Seismology,2007(3):1-6. |
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| Authors: | She Jianwen Yu Zhan Qiu Ying |
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| Institution: | 1. Earthquake Administration of Shanghai Municipality, Shanghai 200062;2. Tongji University, Shanghai 200062 |
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| Abstract: | We discuss the problems of seismicity analysis in current seismic safety evaluation in China, including the selection of statistical zones and the computation of b values. We suggest that it is not necessary to select seismic belt as statistical zones. Meanwhile we point the right concept of cumulative b value should be a cumulative b value without upper bound of magnitude, which should be determined by using iterate regression method. A practical example is given to explain the suggestions. |
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| Keywords: | seismic safety evaluation seismic belt statistical zone b value |
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