| 走滑活动断裂的障碍体与地震破裂的关系 |
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| 引用本文： | 袁道阳,刘小凤.走滑活动断裂的障碍体与地震破裂的关系[J].华南地震,1998,18(4):35-40. |
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| 作者姓名： | 袁道阳 刘小凤 |
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| 作者单位： | 中国地震局兰州地震研究所!兰州730000 |
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| 基金项目： | 地震科学联合基金资助课题!(95 0 0 0 2 0 ) |
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| 摘 要： | 系统收集了中国大陆走滑活动断裂带上障碍体（阶区）与地震破裂的资料，探讨了障碍体止裂尺度与地震破裂的关系及其分段意义。统计分析表明，走滑活动断裂带上地震的震级与障碍体的阶距、阶距与次级段长度具有较好的线性关系。障碍体的阶距可以作为判定地震破裂止裂尺度的极重要标志，是进行破裂分段的前提和基础。
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| 关 键 词： | 活动断裂 障碍体 走滑断层 地震破裂 止裂尺度 |
RESEARCH ON THE RELATION BETWEEN BARRIERS AND EARTHQUAKE RUPTURES IN STRIKE-SLIP ACTIVE FAULT ZONE |
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| Yuan Daoyang,Liu Xiaofeng,Liu Baichi.RESEARCH ON THE RELATION BETWEEN BARRIERS AND EARTHQUAKE RUPTURES IN STRIKE-SLIP ACTIVE FAULT ZONE[J].South China Journal of Seismology,1998,18(4):35-40. |
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| Authors: | Yuan Daoyang Liu Xiaofeng Liu Baichi |
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| Abstract: | According to the information about the barriers and earthquake ruptures in the strike-slip active fault zone of China's mainland,we discussed their relations and segmentation significance between the barriers yardsticks and the earthquake ruptures.The result is that the magnitude of earthquake occurred in the strike-slip active fault and step distance of the barriers have linear relations,so do the step distance and the secondary segment length. S=3*M-21.75;L=23 93*S -1 25,So, we think that the step distance is an important scale to judge the yarstick at which earthquake rupture stop, and is the sign and foundation of active fault rupture segmentation. |
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| Keywords: | Active fault Barrier Strike-slip fault Earthquake rupture Yardstick of stopping earthquake rupture |
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