![]() No commercial reproduction, distribution, display or performance rights in this work are provided. Item Type:īalleny Islands Bhuj Kokoxilli Kunlun Sumatra Finally, we explore the feasibility of using adjoint methods to learn about the earthquake source. A large number of studies have shown that faults have non-single planes and complex geometric structures in 3D space, which control the rupture behavior of strong and large earthquakes (e.g., Evans et al., 2020 Ross et al., 2020). We study the rupture speed of the 2001 Kunlun, China earthquake, the continuity of slip during the 1998 Balleny Islands event and the duration of slip during the 2004 Sumatra-Andaman, Indonesia earthquake. We model earthquakes using a spectral element method for wave-propagation that accurately accounts for the Earth's 3D elastic structure. ![]() In this thesis we attempt to add information from frequencies not used during the initial modeling of individual events to put more constraints on the source process, to learn about specific source parameters important to the physics of earthquakes. The globe is a three-dimensional model of the Earth with high-resolution 3D satellite imagery. Dissembling the information about the source process from the recorded seismograms is a difficult and non-unique process, as there are severe trade-offs between many of the source parameters. Explore the Earth with the 3D interactive globe. ![]() To understand the physics of earthquakes, it is important to know what happens during individual events.
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