摘要
<正>1.引言Gofar转换断层处于东太平洋洋中脊上,地震多发,且震源深度多集中在7km左右,震级小于M3。相对于地震波速度,品质因子Q对流体和温度更为敏感。为了探究地震源区周围的介质性质,利用三维衰减层析成像对Gofar转换断层区进行成像,获得三维的Q分布。2.原理方法
引文
1 Bisrat,S.T.,H.R.De Shon,J.Pesicek,and C.Thurber(2014),High-resolution 3-D P wave attenuation structure of the New Madrid Seismic Zone using local earthquake tomography,J.Geophys.Res.Solid Earth,119,409-424.
2 Zhang H,C Thurber(2003),Double-Difference Tomography:The Method and Its Application to the Hayward Fault,California.BSSA.93:1875-1889.