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Shear-wave splitting beneath the Galápagos archipelago

Date

Authors

Fontaine, Fabrice

Hooft, Emilie E.E.

Burkett, Peter G

Toomey, Douglas R

Solomon, Sean C

Silver, Paul G

Publisher

American Geophysical Union

Abstract

Shear-wave splitting measurements in the Galápagos archipelago show a rapid change from consistently oriented anisotropy to no measurable anisotropy. At the western edge of the archipelago delay times are 0.4-0.9 s and fast polarization directions are 81

Keywords

Keywords: Anisotropy; Bandpass filters; Bathymetry; Seismographs; Shear waves; Signal to noise ratio; Tectonics; Asthenosphere; Complex flow field; Fossil lithospheric anisotropy; Seismology; S-wave; seismic tomography; wave splitting; Ecuador; Galapagos Islands; P

URI

http://hdl.handle.net/1885/29429

Collections

ANU Research Publications

Source

Geophysical Research Letters

Type

Journal article

DOI

10.1029/2005GL024014

Restricted until

2037-12-31

Downloads

File

Description

01_Fontaine_Shear-wave_splitting_beneath_2005.pdf (322.68 KB)

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