Member Since 1983
Karen M. Fischer
Louis and Elizabeth Scherck Distinguished Professor of Geological Sciences, Brown University
AGU Research
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A Mid‐Lithospheric Discontinuity Detected Beneath 155 Ma Western Pacific Seafloor Using Sp Receiver Functions
GEOPHYSICAL RESEARCH LETTERS
10 march 2024
Kai-Xun Chen, Karen M. Fischer, Donald W. Forsyth
This study probes the lithosphere‐asthenosphere system beneath 155 Ma Pacific seafloor using teleseismic S‐to‐p receiver fun...
Exploring regional-scale heterogeneity in the Antarctic uppermost mantle with Rayleigh phase velocities and attenuation
FROM GRAIN TO EARTH: UNDERSTANDING PLATE TECTONICS THROUGH ROCK MICROPHYSICS AND RECRYSTALLIZATION TO MANTLE-SCALE ANALYSES II POSTER
mineral and rock physics | 13 december 2023
Hannah E. Krueger, Colleen A. Dalton, Joshua B. Ru...
Seismic deployments in East and West Antarctica provide excellent data sets for regional-scale seismic analysis. Using broadband vertical-component se...
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Probing the depths of Auckland's Volcanic Field: An integrated geophysical investigation into the intraplate volcanism of Tāmaki Makaurau.
EXPLORING COMPLEX MANTLE DYNAMICS WITH OBSERVATIONS, LABORATORY EXPERIMENTS, AND COMPUTER MODELS III POSTER
study of earth's deep interior | 11 december 2023
Kasper van Wijk, Jason P. Morgan, Geoffrey A. Aber...
The city of Auckland, New Zealand, sits atop an active volcanic field. This Auckland Volcanic Field (AVF) is monogenetic and intraplate, but what driv...
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Evidence for Volcanic Seismicity beneath the Hudson Mountains in West Antarctica
SEISMIC AND ACOUSTIC SIGNALS OF VOLCANIC UNREST AND ERUPTION: FROM SOURCE CHARACTERIZATION TO MONITORING APPLICATIONS I ELIGHTNING
volcanology, geochemistry and petrology | 11 december 2023
Gabrielle Rose, Karen M. Fischer, Andres Felipe F....
West Antarctica contains numerous volcanoes, but the level of magmatic activity for most is uncertain, as is their potential for adding heat and insta...
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Seismic Structure of Cratonic Lithosphere in Fennoscandia from the Joint Inversion of Rayleigh Wave Phase Velocity and Amplification
STRUCTURE, TECTONICS, AND SEISMICITY OF CRATONS II ORAL
tectonophysics | 11 december 2023
Yiran Huang, Colleen A. Dalton, Karen M. Fischer
Due to the complementary characteristics of seismic velocity and density sensitivity kernels for Rayleigh wave amplification and phase velocity, combi...
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Imaging The Antarctic Lithosphere With Sp Converted Waves
EXPLORING COMPLEX MANTLE DYNAMICS WITH OBSERVATIONS, LABORATORY EXPERIMENTS, AND COMPUTER MODELS II ORAL
study of earth's deep interior | 11 december 2023
Sarah Bowers, Karen M. Fischer, Colleen A. Dalton
Multiple tectonic and geodynamic processes shaped the lithosphere of west Antarctica, including lithospheric-scale rifting, upwelling of mantle plumes...
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High and low shear velocity layering in the cratonic lithosphere may have a common origin
STRUCTURE, TECTONICS, AND SEISMICITY OF CRATONS I POSTER
tectonophysics | 11 december 2023
Hannah E. Krueger, Karen M. Fischer, Eva M. Golos,...
The characteristics and sources of layering in the cratonic lithosphere are debated. Some prior studies consider layering to be ubiquitous in the crat...
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Seismic Evidence for Partial Melt in the Asthenosphere
EXPLORING EARTH’S MANTLE HETEROGENEITIES THROUGH IMAGING, MODELING, GEOCHEMISTRY, AND EXPERIMENTS II ORAL
study of earth's deep interior | 11 december 2023
Karen M. Fischer, Junlin Hua, Sarah Bowers, Isabel...
The asthenosphere is fundamental to our understanding of how plate motions couple to the deeper mantle, yet asthenospheric partial melt content and it...
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