地震学百科知识(二)——震源物理(下)
|
摘要
<正>7震源参数(earthquake source pa-rameters)除上述震源机制参数或地震矩张量解的参数外,描述地震震源还经常使用一些其他的几何参数和物理参数。7.1标量地震矩(scalar seismic moment)对于天然地震,标量地震矩指双力偶点源模型的一个力偶的力矩值[(1)式],或地震矩张量解的双力偶成分的大小[(6)式的MDC值]。研究机构在发布天然地震的地震矩张量解时,常将标量地震矩简记为地震矩。
引文
[1]Choy G L,Boatwright J L.Global patterns of readiated seismic energy and apparent stress.J.Geophys.Res.,1995,100(B9):18205-18228
[2]Yamashita T.On the dynamical process of fault motion in the presence of friction and inhomogeneous ini-tial stress:Part I,Rupture propagation.J.Phys.Earth,1976,24:417-444
[3]Bouchon M,Vallee M.Observation of long supershear rupture during the magnitude8.1Kunlunshan earthquake.Science,2003,301(5634):824-826
[4]安艺敬一,P G理查兹.定量地震学:理论和方法.北京:地震出版社,1987
[5]Brace W F,Byerlee J D.Stick slip as a mechanism for earthquakes.Science,1966,153:990-992
[6]Brace W F,Paulding Jr B W,Scholz C.Dilatancy in the fracture of crystalline rocks.J.Geophys.Res.,1966,71(16):3939-3953.doi:10.1029/JZ071i016p03939
[7]Scholz C H.The Mechanics of Earthquakes and Faults(Second edition).Cambridge:Cambridge Univer-sity Press,2002
[2]Yamashita T.On the dynamical process of fault motion in the presence of friction and inhomogeneous ini-tial stress:Part I,Rupture propagation.J.Phys.Earth,1976,24:417-444
[3]Bouchon M,Vallee M.Observation of long supershear rupture during the magnitude8.1Kunlunshan earthquake.Science,2003,301(5634):824-826
[4]安艺敬一,P G理查兹.定量地震学:理论和方法.北京:地震出版社,1987
[5]Brace W F,Byerlee J D.Stick slip as a mechanism for earthquakes.Science,1966,153:990-992
[6]Brace W F,Paulding Jr B W,Scholz C.Dilatancy in the fracture of crystalline rocks.J.Geophys.Res.,1966,71(16):3939-3953.doi:10.1029/JZ071i016p03939
[7]Scholz C H.The Mechanics of Earthquakes and Faults(Second edition).Cambridge:Cambridge Univer-sity Press,2002
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心