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本文运用数值分析方法，探讨了在粘弹性介质中的剪切产热不稳定性的详细动力学过程，并结合实际俯冲板块情况，分析了深源地震的形成机制，结果表明，由于粘滞损耗产热而形成的剪切产热不稳定性是深源地震可能的发生机理之一。
In this paper, the detailed kinetic process of shear thermal instability in viscoelastic media is discussed by means of numerical analysis, and the formation mechanism of deep-seated earthquake is analyzed in combination with the actual situation of subducted plate. The results show that due to the viscous loss Shear thermal instability formed by heat production is one of the possible mechanisms of deep-seated earthquake.