2024年1月23日乌什M_(S)7.1地震序列类型判定  

WUSHI M_(S)7.1 EARTHQUAKE SEQUENCE TYPE DETERMINATION ON JANUARY 23,2024

作　　者：马倩雯 宋春燕[1] 聂晓红[1] 魏芸芸[1] MA Qian-wen;SONG Chun-yan;NIE Xiao-hong;WEI Yun-yun(Earthquake Agency of Xinjiang Uygur Autonomous Region,Urumqi 830011,Xinjiang,China)

机构地区：[1]新疆维吾尔自治区地震局,新疆乌鲁木齐830011

出　　处：《内陆地震》2024年第2期121-127,共7页Inland Earthquake

基　　金：新疆维吾尔自治区自然科学基金项目(2022D01B43);新疆维吾尔自治区自然科学基金面上项目(2023D01A104)。

摘　　要：利用新疆地震台网观测数据,对2024年1月23日乌什M_(S)7.1地震序列进行分析,结果显示乌什地震序列的余震活动丰富,频度衰减较快。通过历史地震序列类比、序列参数(b值、p值、h值)、等待时间、震级差和能量比等参数的跟踪分析,判断此次乌什M_(S)7.1地震序列为主震―余震型。从历史地震序列类型的早期定性判定到地震序列参数定量计算的跟踪判定乌什7.1级地震序列类型,对地震序列类型的跟踪判定有一定参考作用。Based on the observation data of Xinjiang Seismic Network,Wushi M_(S)7.1 earthquake sequence on January 23,2024 is analyzed.The results show that the aftershock activity of Wushi earthquake sequence is rich and the frequency attenuation is fast.Based on the historical earthquake sequence analogy,sequence parameters(b value,p value,h value),waiting time,magnitude difference and energy ratio,Wushi M_(S)7.1 earthquake sequence is judged as the main shock-aftershock type.From the early qualitative determination of historical earthquake sequence types to the tracking and determination of Wushi M_(S)7.1 earthquake sequence types by quantitative calculation of earthquake sequence parameters,it has certain reference function for the tracking and determination of earthquake sequence types.

关 键 词：乌什M_(S)7.1地震 地震序列 强余震早期趋势判定 

分 类 号：P315.7[天文地球—地震学]