International Federation of Digital Seismograph Networks

XO (1997-1999): The Origins of Mantle Anisotropy beneath Eastern North America

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FDSN Network Information

FDSN code XO (1997-1999) Operated by Brown University
Network name The Origins of Mantle Anisotropy beneath Eastern North America (Eastern NA) Deployment region United States
Start date June 1, 1997 End date Feb. 28, 1999
Short description

The goals of this project were to better constrain variations in seismic anisotropy beneath eastern North America and to use the distribution of anisotropy to infer patterns of asthenospheric flow and lithospheric deformation. STS-2’s were deployed at four sites in southern New York (VASR, WIND, WICK, and SCCC) in June, 1997. The instruments at VASR and WIND were moved to UCON and UHRT (Connecticut) in October, 1998, and the experiment ended in February, 1999. Data was recorded continuously at 20 sps and 1 sps.

Further information in publication(s)

Fouch, M. J., K. M. Fischer, E. M. Parmentier, M. E. Wysession, and T. J. Clarke, Shear-wave splitting, continental keels, and patterns of mantle flow, J. Geophys. Res., 105, 6255-6275, doi: https://doi.org/10.1029/1999JB900372, 2000.

Fouch, M. J., K. M. Fischer, and M. E. Wysession, Lowermost mantle anisotropy beneath the Pacific: Imaging the source of the Hawaiian plume, Earth Planet. Sci. Lett., 190, 167-180, https://doi.org/10.1016/S0012-821X(01)00380-6, 2001.

Li, A., K. M. Fischer, S. van der Lee, and M. E. Wysession. Crust and upper mantle discontinuity structure beneath eastern North America, J. Geophys. Res., 107, doi: https://doi.org/10.1029/2001JB000190, 2002.

Li, A., D. W. Forsyth, and K. M. Fischer, Shear wave structure and azimuthal anisotropy beneath eastern North America from Rayleigh wave tomography, J. Geophys. Res., 108, 2362, https://doi.org/10.1029/2002JB002259, 2003.

Citation Information

Digital Object Identifier (DOI) https://doi.org/10.7914/SN/XO_1997
Citation
Karen M. Fischer (1997): The Origins of Mantle Anisotropy beneath Eastern North America. International Federation of Digital Seismograph Networks. Other/Seismic Network. 10.7914/SN/XO_1997
Citation notes

Fouch, M. J., K. M. Fischer, E. M. Parmentier, M. E. Wysession, and T. J. Clarke, Shear-wave splitting, continental keels, and patterns of mantle flow, J. Geophys. Res., 105, 6255-6275, doi: https://doi.org/10.1029/1999JB900372, 2000.

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