| 云南姚安M_s5.6地震短临异常特征 |
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| 引用本文： | 郭绍忠,王学仁,李丽清,张鸿飞.云南姚安M_s5.6地震短临异常特征[J].地震,1995(4). |
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| 作者姓名： | 郭绍忠 王学仁 李丽清 张鸿飞 |
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| 作者单位： | 云南省丽江地区行署地震局
中国丽江674100(郭绍忠，王学仁，李丽清)，云南省丽江地区行署地震局 中国丽江674100(张鸿飞) |
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| 摘 要： | 对1993年8月14日云南大姚M_s5.6地震震前的预测预报过程、各类异常在时空分布和发震构造、破裂机制等方面的综合特征进行了论述,探讨了各类异常特征的物理机制。认为异常与发震构造的关系明显,异常空间分布有集中性和不均匀性,震源区是相对“盲区”,异常时间有同步性和渐进性,部分异常特征与震源机制有一定关系。
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| 关 键 词： | 短临异常 异常特征 地震预报 姚安地震 |
CHARACTERISTICS OF SHORT-TERM AND IMMINENT ANOMALIES OF YAO'AN EARTHQUAKE WITHM_S5.6, YUNNAN PROVINCE |
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| Guo Shaozhong Wang Xueren Li Liqing Zhang Hongfei.CHARACTERISTICS OF SHORT-TERM AND IMMINENT ANOMALIES OF YAO''''AN EARTHQUAKE WITHM_S5.6, YUNNAN PROVINCE[J].Earthquake,1995(4). |
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| Authors: | Guo Shaozhong Wang Xueren Li Liqing Zhang Hongfei |
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| Abstract: | This paper illustrates the predicting process of the MS5.6 Yao'an earthquake, Yunnan Province, on 14, Aug. 1993. The paper has also described the comprehensive features of various anomalies prior to the event . such as the temporal and spatial distribution, the seismogenic structures, fracture mechanism, and the physical mechanism of the anomalies. It is suggested that the anomalies bear a close relation to the seismogenic structures. The special distribution of the anomalies is characterized by concentration and inhomogeneity. and the source area appears a relatively blind zone. The temporal distribution of the anomalies shows synchronous and progressive features. Some of the anomalous features bear a certain relation to focal mechanism. |
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| Keywords: | Short-impending anomaly Anomalous character Earthquake prediction Yao'an earthquake |
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