By using arrival time data from the Indonesian Meteorological and Geophysical Agency (MGA), International Seismological Center (ISC) and United State Geological Survey (USGS), and the Centroid Moment Tensor (CMT) solutions of Harvard, I studied the tectonic features in north Sum…
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In subduction zones, the interface between the downgoing slab and overriding plate controls a number of important dynamic processes. Both the rheologic behavior and thermal structure of the interface influence fluid release and transport, melt generation, seismic phenomena and v…
Global carbon cycling has long been recognized as a fundamental control on Earth’s evolution, driving changes in both the deep Earth and our surface environment. Yet our knowledge of the carbon cycle in the past and present is ultimately limited by our ability to constrain the m…
In the first part of this dissertation both the method for inversion for shear-wave splitting parameters is given along with the two types of error analyses that can be used to determine the reliability of the inversion results. Also presented in the first section are the backgr…