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Professor Emeritus Charles Sammis specializes in Earth Sciences with extensive research on fractal fragmentation of the crust, frictional instabilities in granular fault zones, and the application of non-linear mechanics to regional seismicity. His studies focus on the mechanical and tectonic interpretations of fracture patterns in volcanic plains on Venus, high-temperature and high-pressure rheology applicable to planetary interiors, and low-temperature and low-pressure rheology related to shallow crustal problems and energy extraction, including earthquake prediction. Sammis has contributed significantly to the understanding of earthquake instabilities, leveraging his expertise in fracture mechanics and fractal geometry. He has authored numerous influential publications, including books and journal articles that explore dynamics of fault zones, earthquake mechanics, and structural observations in geology.
University of Southern California • Los Angeles, CA
Served as Professor Emeritus focusing on research and teaching in Earth Sciences.
Pennsylvania State University • University Park, PA
Held tenure-track appointment focusing on geophysics and seismic studies.
University of Bristol • Bristol, England
Conducted research on fracture mechanics and fault dynamics.
National Autonomous University of Mexico • Mexico City, Mexico
Held visiting position to impart knowledge in physics.
Institut de Physique du Globe de Paris • Paris, France
Engaged in collaborative research on geophysical processes.
Cambridge University • Cambridge, England
Investigated high-pressure mechanisms in earthquake cycles.
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