Articles | Volume 6, issue 1
Solid Earth, 6, 271–284, 2015
Solid Earth, 6, 271–284, 2015

Research article 20 Feb 2015

Research article | 20 Feb 2015

A 3-D shear velocity model of the southern North American and Caribbean plates from ambient noise and earthquake tomography

B. Gaite et al.

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Cited articles

Allan, J. F., Nelson, S. A., Luhr, J. F., Carmichael, I. S. E., Wopat, M., and Wallace, J. P.: Pliocene-Recent rifting in SW Mexico and associated volcanism: an exotic terrain in the making, AAPG Memoir, 47, 425–445, 1991.
Alsina, D., Woodward, R. L., and Snieder, R. K.: Shear wave velocity structure in North America from large-scale waveform inversions of surface waves, J. Geophys. Res., 101, 15969–15986,, 1996.
Ammon, C. J.: Notes on surface-wave tomography. Part I: Group velocity estimation, p. 44, Unpublished Notes, 1998.
Aragón-Arreola, M. and Martín-Barajas, A.: Westward migration of extension in the northern Gulf of California, Mexico, Geology, 35, 571,, 2007.
Aragón-Arreola, M., Morandi, M., Martín-Barajas, A., Delgado-Argote, L., and González-Fernández, A.: Structure of the rift basins in the central Gulf of California: Kinematic implications for oblique rifting, Tectonophysics, 409, 19–38,, 2005.
Short summary
We compute a velocity model of the crust and uppermost mantle of southern North America, Mexico and the Caribbean. We use a recent technique based on "ambient noise" (or continuous seismic records) and a traditional one using earthquakes. Both techniques, together with the increased number of seismic stations in the region, allow us to obtain greater resolution than previous works. Some of its applications are to localize regional earthquakes and simulate ground motions.