景洪电站水库诱发地震监测台网地震监测能力评估
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摘要
基于近震震级公式,得出景洪电站水库诱发地震监测台网理论监测能力在坝区为M_L 0.5,在坝区周边,理论监测能力为M_L 0.7。基于G-R震级频度关系及Wiemer & Wyss最小完整性震级估计方法求取景洪电站水库诱发地震监测台网实际监测能力,结果证明,其实际监测能力能够满足理论监测能力的要求。在0.5的理论监测区范围内,最小完整性震级为M_L 0.0,而在0.7的理论监测范围内,最小完整性震级为M_L 0.4。
Based on the local magnitude formula, the theoretical monitoring capabilities, in and around Jinghong Hydropower Reservoir, of seismic network are M_L 0.5 and M_L 0.7, respectively. To test the theoretical monitoring capability of seismic network of Jinghong Hydropower Reservoir, we calculate the practical monitoring capability of seismic network of Jinghong Hydropower Reservoir. The results show that the practical monitoring capability is consistent with the theoretical monitoring capability. In the M_L 0. 5 region and M_L 0. 7 of theoretical monitoring capability of seismic network, the minimum magnitudes of completeness are M_L 0.0 and M_L 0.4 respectively.
Based on the local magnitude formula, the theoretical monitoring capabilities, in and around Jinghong Hydropower Reservoir, of seismic network are M_L 0.5 and M_L 0.7, respectively. To test the theoretical monitoring capability of seismic network of Jinghong Hydropower Reservoir, we calculate the practical monitoring capability of seismic network of Jinghong Hydropower Reservoir. The results show that the practical monitoring capability is consistent with the theoretical monitoring capability. In the M_L 0. 5 region and M_L 0. 7 of theoretical monitoring capability of seismic network, the minimum magnitudes of completeness are M_L 0.0 and M_L 0.4 respectively.
引文
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Wiemer S, Wyss M. Minimum magnitude of completeness in earthquake catalogs,examples from Alaska, the Western United States, and Japan[J]. Bull Seis Soc Am,2000,90(4) :859-869．
郝春月,索仁,才培拉姆,等.西藏地震台网检测能力与定位能力评估[J].地震地磁观测与研究,2005,26(6) :73-77．
陈培善,秦嘉政.量规函数、台站方位、台基及不同测量方法对近震震级ML的影响[J].地震学报,1983,5(1) :87-98．
何少林.甘肃省地震台网监测能力分析[J].地震地磁观测与研究,2003,24(6) :103-108．
季爱东,周彦文,李铂,等.山东数字地震台网的监测能力[J].地震研究,2009,32(2) :132-136．
王俊,蔡舒梅,崔庆谷.云南区域数字地震台网的监测能力与限幅问题[J].地震地磁观测与研究,2007,28(1) :84-89．
王小龙.三峡重庆库区数字遥测台网地震监测能力评估[J].四川地震,2007,3:43-45．
薛振岳,赵淑珍,武麟彪,等.山西大同数字地震台网监测能力分析[J].山西地震,2000,4:13-18．
姚宏,陈鑫,黄树生,等.龙滩水电工程数字遥测地震台网监测能力检验[J].地震地磁观测与研究,2008,29(4) :62-66．
Qaisar M,Mahmood T,Khan S A.巴基斯坦地方地震台网的检测能力和可靠性分析[J].地震学报,2003,25(1) :55-61．
Gutenberg R, Richter C F. Frequency of earthquakes in California [J]. Bull Seism Soc Am, 1944,34(4) :185-188．
Wiemer S, Wyss M. Minimum magnitude of completeness in earthquake catalogs,examples from Alaska, the Western United States, and Japan[J]. Bull Seis Soc Am,2000,90(4) :859-869．
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