河津M_s 4.8地震前兆异常特征
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摘要
通过对山西河津4.8级地震前的各种前兆异常信息进行识别,发现地震前短临异常尤为突出,出现转折、加速、慢地震等现象。据此总结在地震孕育过程中前兆手段的一些异常演变特征,为山西中南部"十五"数字化资料进一步研究地震前兆信息和预报提供实际震例资料,对获取更多的震前信息提供有力证据。
Through the information identification of variety precursory anomalies prior to Hejin M_S 4.8 earthquake,it was found that the short term and emergent abnormalities before the earthquake is especially highlighted,phenomena such as turning,accelerating and slow earthquake occurring.Based on this research,some characteristics of precursory anomalies in the process of earthquake generation are summarized,providing a case study for the further research on the earthquake precursory information with the digital data produced by "the tenth-five year plan" equipments and earthquake prediction in southern and central Shanxi province.It also provides forceful evidences for obtaining more pre-earthquake information.
引文
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