【摘要】 利用陕西省测震台网的25个台站和2008—2010年所记录到的19个地震进行了陕西省Q值及台站场地响应值的计算,得出非弹性衰减Q值随频率f的关系为Q(f)=826.57f 0.3538。这说明陕西省处于高Q值区域,地壳相对较稳定,地震活动性相对较弱。计算得到的陕西省数字测震台网25个台站的场地响应值,其中,只有铜川台(2～8 Hz)、绥德台(12～17 Hz)及华县台(6～20 Hz)表现出明显的放大作用。更多还原

【Abstract】 Based on 25 stations of Shaanxi seismic network and 19 earthquakes recorded between 2008 and 2010,Q-value and site response values of each seismic station are calculated.The results show that the relationship between frequency f and inelastic attenuation Q-value is Q(f)=826.57f 0.353 8,which indicates that the province is a high Q-value area with a relatively stable crust and weak seismic activity.Most of the site response values of the 25 stations exhibit no significant amplification effect except that of Tongchuan station in 2~8 Hz,Suide station in 12~17 Hz,and Huaxian Station in 6~20 Hz.更多还原