| 巴塘6.7级地震和雅江6.0级地震前后三叉口地区重力场变化情况 |
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| 引用本文： | 郑兵,苏琴,向平,王兰. 巴塘6.7级地震和雅江6.0级地震前后三叉口地区重力场变化情况[J]. 四川地震, 2006, 0(2): 36-39 |
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| 作者姓名： | 郑兵 苏琴 向平 王兰 |
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| 作者单位： | 四川省地震局测绘工程院,四川,雅安,625000;四川省地震局测绘工程院,四川,雅安,625000;四川省地震局测绘工程院,四川,雅安,625000;四川省地震局测绘工程院,四川,雅安,625000 |
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| 摘 要： | 三叉口地区在1989年巴塘6.7级地震和2001年雅江6.0级地震前的重力场变化显示该地区的地应力呈聚集状态,能量的释放较少;在震后重力场变化显示该地区的地应力呈释放状态,有较大的能量释放。
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| 关 键 词： | 重力场变化 地应力 聚集 能量释放 |
| 文章编号： | 1001-8115(2006)02-0036-04 |
| 收稿时间： | 2005-10-14 |
| 修稿时间： | 2005-10-14 |
Gravity field changes compared before and after the M6.7 Batang and the M6.0 Yajiang Earthquake around Shimian area |
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| ZHENG Bin,SU Qin,XIANG Ping,WAN Lan. Gravity field changes compared before and after the M6.7 Batang and the M6.0 Yajiang Earthquake around Shimian area[J]. Earthquake Research in Sichuan, 2006, 0(2): 36-39 |
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| Authors: | ZHENG Bin SU Qin XIANG Ping WAN Lan |
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| Affiliation: | Surveying Engineering Institute, Earthquake Administration of Sichuan Province, Sichuan Yaan 625000, China |
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| Abstract: | The gravity field changes before both the M6.7 Batang Earthquake in 1989 and the M6.0 Yajiang Earthquake in 2001 show an accumlated stress status and the stress energy released from seismic events is less during this period.But the energy released from seismic events is big after the M6.7 Batang Earthquake in 1989 and the M6.0 Yajiang Earthquake in 2001. |
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| Keywords: | gravity field change stress accumulation stress releasing |
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