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Full-Text Articles in Physical Sciences and Mathematics
Multi-Component Active Source Rayleigh Wave Analysis, Gabriel Gribler
Multi-Component Active Source Rayleigh Wave Analysis, Gabriel Gribler
Boise State University Theses and Dissertations
Determining how a building site will respond to earthquake ground shaking plays a critical role in proper construction practices. One critical constraint on how a site responds is the near surface shear wave seismic velocity distribution. One commonly used method for indirectly estimating shear wave velocities is Multichannel Analysis of Surface Waves (MASW), which utilizes a spread of vertical geophones to measure Rayleigh wave dispersion. With this approach, phase velocity vs. frequency dispersion curve picks can be used to estimate shear wave velocities with depth. I investigate the use of two (vertical and horizontal inline) component seismic signals to record …
Geophysical Investigations Of The Seattle Fault Zone In Western Washington And A Geothermal System At Mount Princeton, Colorado, Andrew Patrick Lamb
Geophysical Investigations Of The Seattle Fault Zone In Western Washington And A Geothermal System At Mount Princeton, Colorado, Andrew Patrick Lamb
Boise State University Theses and Dissertations
We use an array of existing and modified geophysical techniques to investigate the active Seattle thrust fault zone in western Washington and a geothermal system at Mt. Princeton Colorado. Through the integration of different geophysical methods, we can extend our observations of the surface geology to beneath the subsurface, thereby giving us a greater understanding of the structures and their kinematic interplay.
We find geophysical evidence through the use of potential field and seismic data for the Seattle fault zone extending further to the west than previously thought. We also find evidence that the Seattle fault zone may be linked …