2012 Seafloor Geodesy in Cascadia - William Wilcock - University of ...

Front Cover. (Upper) Perspective view of the Juan de Fuca plate showing plate
boundaries and the convergence between the Juan de Fuca and North American plates
across the Cascadia subduction zone. (Lower) Map of the Pacific Ocean showing
epicenters of teleseismic earthquakes with the sites of the 2004 Northern Sumatra, 2010
Chile and 2011 Tohoku-­‐Oki megathrust earthquakes and the Cascadia subduction zone
labeled. (Inset) Schematic cross section of the Cascadia subduction zone illustrating the
location of the locked zone responsible for megathrust earthquakes and distribution of
deep and shallow earthquakes. (Base) Schematic cross-­‐section of a portion of the Earth
illustrating mantle flow and melting associated with an oceanic spreading center and a
subduction zone (figure created by the Center for Environmental Visualization, University
of Washington).
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