Distinguished Lectureship Program Speakers

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2018 – 2019

Jaime Barnes

Dr. Jaime Barnes is an Associate Professor at the University of Texas at Austin. She uses stable isotopes as geochemical tracers of fluids in various tectonic and geologic settings from the upper mantle, the oceanic lithosphere, the subducting plate interface, and thermal springs. Much of her research involves volatile cycling, metamorphism and volatile transport in subduction zones, serpentinization, and fluid-rock interactions and metasomatism in high temperature environments with the overarching goal to improve our knowledge of the chemical evolution of the Earth.

 

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Anne Bécel

Dr. Anne Bécel is an Associate Research Professor at Lamont-Doherty Earth Observatory. Her research focuses on characterizing the seismic structure of the Earth’s crust and mantle to better understand underlying tectonic and magmatic processes primarily along active plate boundaries but also at rifted passive margins and ocean basin settings.  To investigate these processes, she uses marine active-source seismology and combines her results with other geophysical data such as seismicity, drill hole and potential field data. Since she arrived at Lamont, her research has mainly focused on the study of the Alaska Peninsula and Hellenic subduction zones with an emphasis on assessing specific risks such as large earthquakes and associated tsunamis and the development of the Eastern North American passive margin.

Technical Lecture [Alaska Focus]:Connections between along-strike variations in seismic structure and earthquake behavior at the Alaska Peninsula subduction zone

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Cynthia Ebinger

Dr. Cynthia Ebinger holds the Marshall-Heape Chair in Geology at Tulane University. She received her BS in marine geology from Duke University, and a MS and PhD from the MIT–Woods Hole Oceanographic Joint Program in Oceanography. She completed her postdoctoral training at NASA Goddard Space Flight Center and through a NATO fellowship at the University of Leeds. Her research focuses on plate boundary deformation processes, with focus on volcano and earthquake processes in marine and continental settings. Specifically, her data acquisition and modeling probe the response of Earth’s plates to stresses induced by the movement of faults and the flow of magma and volatiles. As a geophysicist, she utilizes a range of signal processing and analytical and numerical modeling, studies of rock properties and Earth deformation processes, linking geological and geophysical data sets. The goal of her research teams is to understand the basic physics of fundamental Earth processes.

Technical Lecture: Earthquakes within continental plates: How, where, and why it matters 

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Abhijit Ghosh

Dr. Abhijit Ghosh is an Assistant Professor in the Department of Earth Sciences, University of California, Riverside. He earned his PhD in Geophysics from the University of Washington, Seattle. He was a GeoPRISMS Postdoctoral Fellow in the University of California, Santa Cruz. Abhijit is a seismologist interested in understanding wide spectrum of fault behaviors in a holistic way. His research focus includes slow earthquakes, array seismology and earthquake interactions. He designs and carries out seismic experiments in different parts of the world including Alaska, Nepal, New Zealand, Cascadia and California.

Technical Lecture: Broad spectrum of fault slip: fast, slow and everything in between