| 利用钻孔应变观测数据测定大震震级 |
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| 引用本文： | 毕永强,毕永发,李成芝,丛培民.利用钻孔应变观测数据测定大震震级[J].地震地磁观测与研究,2013(5):174-177. |
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| 作者姓名： | 毕永强 毕永发 李成芝 丛培民 |
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| 作者单位： | [1]敦化地震台,中国吉林133700 [2]敦化市污水处理厂,中国吉林133700 [3]吉林新元木业有限公司中国敦化133700 ,中国吉林133700 [4]敦化市林业局,中国吉林133700 |
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| 摘 要： | 尝试对敦化地震台YRY-4型钻孔应变仪记录的应变地震波持续时间进行研究,以中国地震台网统一地震目录Ms≥7震级为参考震级,用最小二乘法求得参考震级公式：MF-P=1.92＋1.48 lg（F-P）.通过验证,公式有意义,为现阶段应变地震波的应用找到一条路径.
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| 关 键 词： | 地震仪 应变地震波 持续时间 震级 公式 标准偏差 |
Determination of earthquake magnitude with borehole Strain observation data |
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| Bi Yongqiang,Bi Yongfa,Li Chengzhi,Cong Peimin.Determination of earthquake magnitude with borehole Strain observation data[J].Seismological and Geomagnetic Observation and Research,2013(5):174-177. |
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| Authors: | Bi Yongqiang Bi Yongfa Li Chengzhi Cong Peimin |
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| Institution: | 1.Dunhua Seismic Station, Jilin Province 133700, China; 2.Dunhua City Sewage Treatment Plant, Jilin Province 133700, China; 3.Jilin Xinyuan Wood Industry Co.,Ltd., Dunhua 133700, China; 4.Dunhua City Forestry Bureau, Jilin Province 133700, China;) |
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| Abstract: | In this paper,the duration of the strain seismic waves that recorded by model YRY-4 drill strain gauge of Dunhua Seismic Station is inverstigated tentatively.Taking China Seismic Network Catalog Ms≥7 as reference magnitude,calculating the magnitude of earthquake with the continue time of the strain wave in Dunhua Seismic Station,a reference magnitude formula MF-p=1.92 ＋1.48 lg （F-P） was obtained with least squares method.By analyzing the validation,the formula we got is meaningful.It provides a path for the application of strain seismic waves in this stage. |
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| Keywords: | seismic instrument strain seismic wave time duration magnitude scale formula standard deviation |
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