Earthquake Source Characterization Using 3D Numerical Modeling

摘要: To understand the physics of earthquakes, it is important to know what happens during individual events. Dissembling information about source process from recorded seismograms a difficult and non-unique process, as there are severe trade-offs between many parameters. In this thesis we attempt add frequencies not used initial modeling events put more constraints on learn specific parameters earthquakes. We model earthquakes using spectral element method for wave-propagation that accurately accounts Earth's 3D elastic structure. study rupture speed 2001 Kunlun, China earthquake, continuity slip 1998 Balleny Islands event duration 2004 Sumatra-Andaman, Indonesia earthquake. Finally, explore feasibility adjoint methods earthquake source.