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Research on the Characteristics and Repeatability of Strong Earthquake Activity in Sichuan-Yunnan
Huang Shengmu, Dong Ruiying
Earthquake Administration of Sichuan Province, Chengdu 610041, China
摘要:
According to the method for predicting strong earthquakes using seismicity patterns, this paper summarizes the seismicity anomalies, generally called anomalous seismicity patterns, as the basis for prediction based on some historical data in the Sichuan-Yunnan seismic zone. Using our results, it can be confirmed that these anomaly patterns, which reflect the features of the late stage of strong earthquake preparation process and stress release in the main shock rupture zone, did exist before many earthquake cases. This paper also introduced the characteristics of seismic repeatability and its validation result, and discussed the mechanism of repeatability, which will have an application value for strong earthquake tendency prediction.
关键词:  Seismicity pattern  Periodicity and repeatability  Strong earthquake cases  Strong earthquake prediction  Validation
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Research on the Characteristics and Repeatability of Strong Earthquake Activity in Sichuan-Yunnan
Huang Shengmu, Dong Ruiying
Earthquake Administration of Sichuan Province, Chengdu 610041, China
Abstract:
According to the method for predicting strong earthquakes using seismicity patterns, this paper summarizes the seismicity anomalies, generally called anomalous seismicity patterns, as the basis for prediction based on some historical data in the Sichuan-Yunnan seismic zone. Using our results, it can be confirmed that these anomaly patterns, which reflect the features of the late stage of strong earthquake preparation process and stress release in the main shock rupture zone, did exist before many earthquake cases. This paper also introduced the characteristics of seismic repeatability and its validation result, and discussed the mechanism of repeatability, which will have an application value for strong earthquake tendency prediction.
Key words:  Seismicity pattern  Periodicity and repeatability  Strong earthquake cases  Strong earthquake prediction  Validation