【摘要】 本文用数例典型地震记录到的PDIF震相总结美洲沿岸近海地震在嘉峪关台的记录特征,分析说明PDIF震相的出现规律及特征。运用笔者多年来工作中积累的震相分析经验,可更好地指导观测人员对极远震震相的分析工作,以便加强分析队伍的分析认知能力。更多还原

【Abstract】 Based on several typical earthquake records of Jiayuguan station, this paper summed up record characteristics of coastal earthquake of America observed by Jiayuguan station and analysed the regularities and characteristics of PDIF phase. All the experience about phase analysis would give a good guidance for observers in the observation work and improve the level of our work team.更多还原