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Full-Text Articles in Physical Sciences and Mathematics
Developing A Database Of Seismic Data Over The Cascadia Subduction Zone, Khawlh Al Farsi
Developing A Database Of Seismic Data Over The Cascadia Subduction Zone, Khawlh Al Farsi
Department of Earth and Atmospheric Sciences: Dissertations, Theses, and Student Research
An inevitable megathrust earthquake is expected in the Cascadia subduction zone that will affect the population of the coast of southwestern British Columbia and the northwest of the United States. In this active tectonic margin, the Juan de Fuca oceanic plate is subducting beneath the North American continental plate, causing unevenly distributed seismic activity. The major goal of this geophysical research project is to study the tectonic structures of the Cascadia subduction zone in order to comprehend the geology of the region and investigate the seismic hazards. The primary objective of this project is to develop a geophysical database of …
Roller Coaster Acceleration, Olivia Briggs
Roller Coaster Acceleration, Olivia Briggs
Honors Program Theses and Projects
In classical mechanics, Newton’s Second Law (NSL) is often used when talking about acceleration. NSL states that the acceleration of an object is directly related to the net force and inversely related to its mass. It can be written as F~ = m~a. This concept can be applied to many real life situations, one of them being roller coasters. Passengers on roller coasters can accelerate in all directions. Some accelerations are due to gravity while others are due to launch systems that apply a mechanical force to a train. Roller coasters are often described by how many G forces riders …
Large-Volume And Shallow Magma Intrusions In The Blackfoot Reservoir Volcanic Field (Idaho, Usa), M. S. Hastings, C. B. Connor, P. Wetmore, R. Malservisi, L. J. Connor, M. Rodgers, P. C. Femina
Large-Volume And Shallow Magma Intrusions In The Blackfoot Reservoir Volcanic Field (Idaho, Usa), M. S. Hastings, C. B. Connor, P. Wetmore, R. Malservisi, L. J. Connor, M. Rodgers, P. C. Femina
School of Geosciences Faculty and Staff Publications
he Blackfoot Reservoir volcanic field (BRVF), Idaho, USA, is a bimodal volcanic field that has hosted silicic eruptions during at least two episodes, as recently as 58 ka. Using newly collected ground and boat-based gravity data, two large negative anomalies (-16 mGal) are modeled as shallow (< 1 km) intrusions beneath a NE-trending alignment of BRVF rhyolite domes and tuff rings. Given the trade-off between density contrast and model volume, best-fit gravity inversion models yield a total intrusion volume of 50-120 km3; a density contrast of -400 kg m-3 results in two intrusions, each ~9 km x 4.5 km and about 0.5 km thick, with cumulative volume of 100 km3. A network of 340°-360° trending faults lies directly above and on the margins of the mapped gravity anomalies. Most of …