Kennett, Brian; Furumura, Takahashi
The very different crustal thicknesses between continental and oceanic crust lead to the establishment of distinct styles of regional seismic wavefield. Observations and numerical simulations of events near subduction zones in Japan allow a direct comparison of seismic wave propagation in oceanic and continental structures. The thick zone of lower seismic velocities in the continental crust acts to trap S-wave energy in particular and generates crustally guided phases such as Pg, Lg. In the...[Show more]
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