Member Since 1983
Karen M. Fischer
Louis and Elizabeth Scherck Distinguished Professor of Geological Sciences, Brown University
AGU Research
Search
Filters
Clear All
Revealing the Cape Verde Hotspot Track Across the Great Lakes
GEOPHYSICAL RESEARCH LETTERS
25 december 2024
Zhongmin Tao, Aibing Li, Jonny Wu, Karen M. Fische...
Detecting old hotspot tracks in a stable continent remains challenging because of the lack of volcano chains on the surface and the fade of thermal...
Synthesis of the Seismic Structure of the Greater Alaska Region: Geodynamics Implications
INTRACONTINENTAL DEFORMATION AND SUBDUCTION IN ALASKA AND NORTHWESTERN CANADA: RESULTS FROM EARTHSCOPE AND RELATED STUDIES I POSTER
tectonophysics | 13 december 2024
Margarete A. Jadamec, Gary L. Pavlis, Xiaotao Yang...
EarthScope has fundamentally improved the state of knowledge of the crustal and mantle structure within and below the North American plate in Alaska a...
View Abstract
Localization of Margin-parallel Deformation at the Edge of Higher Strength Upper Plate Lithosphere in the Alaskan and Nicaraguan Subduction Zones
SUBDUCTION TOP TO BOTTOM: CONVERGENT MARGIN PROCESSES TRENCH TO ARC (ALEUTIANS/ALASKA AND BEYOND) I ORAL
tectonophysics | 13 december 2024
Karen M. Fischer, Emily Carrero Mustelier, Isabell...
An unresolved question key to plate boundary dynamics is how major faults in the shallow crust relate to the structure of the underlying mantle lithos...
View Abstract
Revealing the Cape Verde Hotspot Track in North America from a High-Resolution Seismic Anisotropy Model
SEISMOLOGY GENERAL CONTRIBUTION: STRUCTURE II ORAL
seismology | 13 december 2024
Aibing Li, Zhongmin Tao, Jonny Wu, Karen M. Fische...
Detecting old hotspot tracks in a stable continent remains challenging because of the lack of volcano chains on the surface and the fade of thermal an...
View Abstract
A New Lithospheric Model for the Continental US from a Joint Inversion of Surface Waves and Receiver Functions
LITHOSPHERE-ASTHENOSPHERE SYSTEM: MODELS AND OBSERVATIONS I POSTER
study of earth's deep interior | 13 december 2024
Brennan Brunsvik, Zachary Eilon, Eva M. Golos, Ana...
The US is a natural laboratory for studying plate tectonics and mantle dynamics. However, the depth of the lithosphere-asthenosphere boundary (LAB) re...
View Abstract
Synthesis of the Seismic Structure of the Continental Lithosphere in the Greater Alaska Region
INTRACONTINENTAL DEFORMATION AND SUBDUCTION IN ALASKA AND NORTHWESTERN CANADA: RESULTS FROM EARTHSCOPE AND RELATED STUDIES II ORAL
tectonophysics | 13 december 2024
Xiaotao Yang, Michael E. Mann, Karen M. Fischer, M...
Significant advances have been made over the last two decades in constraining the structure of the continental lithosphere in Alaska, particularly wit...
View Abstract
Heterogeneity in the Antarctic uppermost mantle illuminated by Rayleigh wave attenuation and phase velocity
UNVEILING THE CRUST AND LITHOSPHERE IN POLAR FRONTIERS POSTER
tectonophysics | 13 december 2024
Junlin Hua, Hannah E. Krueger, Colleen A. Dalton, ...
Our goal is to measure seismic attenuation and velocity in Antarcticas diverse tectonic settings at both regional and continental scales. We applied b...
View Abstract
Measuring Lithospheric Thickness Beneath Antarctica With Sp Phases
UNVEILING THE CRUST AND LITHOSPHERE IN POLAR FRONTIERS POSTER
tectonophysics | 13 december 2024
Sarah Brown, Karen M. Fischer
Multiple processes have shaped the lithosphere of west Antarctica, including rifting, mantle upwelling, and possibly lithospheric foundering. To asses...
View Abstract