[Eoas-seminar] Geophysics Job Talk, Today @ 3:30 PM

eoas-seminar at lists.fsu.edu eoas-seminar at lists.fsu.edu
Wed Feb 24 14:00:28 EST 2021

Dear all,

Aubreya Adams is “Geophysics” faculty candidate. The talk is scheduled at 3:30 PM on Today.

Zoom: https://fsu.zoom.us/j/99359267833

Title: Heterogeneity in the Alaskan Subduction Zone

Abstract: The Alaskan Subduction Zone is home to numerous earthquakes and volcanic eruptions – yet these geological hazards are not evenly distributed along the boundary. Zones that have generated megathrust earthquakes like the 1964 Good Friday Earthquake, the second largest earthquake in recorded history, border zones that have not generated large earthquakes in thousands of years. To investigate the root causes of these observed variabilities, an amphibious array of 105 broadband seismometers spanning the southern Alaskan coast collected 15 months of continuous ground motion data.  These data are now being used to image the deep lithosphere and asthenosphere along the subduction zone using surface wave tomography. Models built from this technique will illuminate how differences in deep processes and structures may influence surficial tectonic behaviors and hazards.


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