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Citations since 2016
6 Research Items
Accurately predicting the seismic wavefield is important for physics-based earthquake hazard studies and is dependent on an accurate source model, a good model of the subsurface geology, and the full physics of wave propagation. Here, we conduct numerical experiments to investigate the effect of different representations of the Southern California...
Cost-effective strategies for enhancing seismic velocity models are an active research topic. The recently developed hybridization technique shows promise in improving models used for deterministic earthquake hazard evaluation. We augment the results of Ajala and Persaud (2021) by exploring other hybrid models generated using 13 sets of embedding p...
Updating Earth models used by the scientific community in geologic studies and hazard assessment has a significant societal impact but is computationally prohibitive due to the large spatial scale. The advent of urban seismology allowed rapid development of local high-resolution models using short-term dense seismic arrays to become conventional. T...
Yangon has a population of over seven million and is one of the fastest growing cities in Myanmar. Like many of Myanmar’s large cities, it is located in close proximity to the Sagaing fault, a major strike-slip fault in Southeast Asia that has historically produced magnitude >7 earthquakes. In addition, the Indo-Myanmar region hosts complex tectoni...
We evaluate the accuracy of earth models developed in the Salton Trough, Southern California in ground motion prediction.
The Coachella Valley in the northern Salton Trough is known to produce destructive earthquakes, making it a high seismic hazard area. Knowledge of the seismic velocity structure and geometry of the sedimentary basins and fault zones is required to improve earthquake hazard estimates in this region. We simultaneously inverted first P wave travel tim...