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伊舒断裂带南、北段震源参数研究 被引量:3

RESEARCH ON EARTHQUAKE SOURCE PARAMETERS OF THE SOURTH AND NORTH SEGMENTS OF YITONG-SHULAN FAULT ZONE
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摘要 利用时间城小地震地震图的方法,研究了震源参数与介质特性的差异。据初步研究结果,伊通-舒兰断裂南、北两段的震源应力降与Q值存在差异。该方法是断层的震源深度范围内介质特性研究的补充,为断裂的分段提供一个重要方法。 In this paper,the difference of earthquake source parameters and medium property has been studied,by using small earthquake maps within a time domain.The preliminary study result shows that the two segments in question show differential source stress drop and Q value,which can be explained by the earthquake activity.This method is a supplement of the study of fault within the depths of earthquake source,and provides an important means for fault segmentation.
出处 《地震地质》 EI CSCD 北大核心 1996年第1期59-65,共7页 Seismology and Geology
关键词 应力降 Q值 地震 震源参数 伊舒断裂 Small earthquake Stress drop Q value
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参考文献3

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  • 2团体著者,近震分析,1977年
  • 3陈运泰,地球物理学报,1976年,19卷,3期,206页

同被引文献29

  • 1邓起东,陈立春,冉勇康.活动构造定量研究与应用[J].地学前缘,2004,11(4):383-392. 被引量:115
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  • 4Brune J N. Tectonic stress and the spectra of seismic shear waves from earthquakes. Journal of geophy- sical research, 1970, 75(26): 4997-5009.
  • 5Wu Z L, Kim S G, Chen Y T. High-frequency fall- off of source spectra of deep-focus earthquakes from Wigner-distribution estimation. Physics of the Earth and Planetary Interiors, 1997, 99(3): 221-229.
  • 6Atkinson G M, Mereu R F. The shape of ground motion attenuation curves in southeastern Canada. Bulletin of the Seismological Society of America, 1992, 82(5): 2014-2031.
  • 7Moya A, Aguirre J, Irikura K. Inversion of source parameters and site effects from strong ground motion records using genetic algorithms the Seismological Society of America, 977-992 ~ Bulletin of 2000, 90(4):.
  • 8Shearer P M, Prieto G A, Hauksson E. Compre- hensive analysis of earthquake source spectra in southern California. Journal of Geophysical Re- search: Solid Earth, 2006, 11 l(B6): 3197-3215.
  • 9Yang W Z, Peng Z G, Ben-Zion Y. Variations of strain-drops of aftershocks of the 1999 izmit and Diizce earthquakes around the Karadere-Diizce branch of the North Anatolian Fault. Geophysical Journal International, 2009, 177(1): 235-246.
  • 10Allmann B P, Shearer P M. Spatial and temporal stress drop variations in small earthquakes near Parkfield, California. Journal of Geophysical Re- search: Solid Earth, 2007, 112(B4): 1-10.

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