Shear-wave splitting measurements for western and central United States
Most of the measurements below (version 1308) are described in the following publications:
1. Liu, K.H., A. Elsheikh, A. Lemnifi, U. Purevsuren, M. Ray, H. Refayee, B. Yang, Y. Yu, and S.S. Gao (2014), A uniform database of teleseismic shear wave splitting measurements for the western and central United States, Geochemistry Geophysics Geosystems , doi: 10.1002/2014GC005267
2. Liu, K.H. (2009), NA-SWS-1.1: A uniform database of teleseismic shear-wave splitting measurements for North America, Geochemistry, Geophysics, Geosystems, 10, Q05011, doi:10.1029/2009GC002440
3. Refayee, H.A., B.B. Yang, K.H. Liu, and S.S. Gao (2013), Mantle flow and lithosphere-asthenosphere coupling beneath the southwestern edge of the North American Craton: Constraints from shear-wave splitting measurements, Earth and Planetary Science Letters , 10.1016/j.epsl.2013.01.031.
4. Yang, B.B., S.S. Gao, K.H. Liu, A.A. Elsheikh, A.A. Lemnifi, H.A. Refayee, and Y. Yu (2014), Seismic anisotropy and mantle flow beneath the northern Great Plains of North America, Journal of Geophysical Research, , volume 119, doi: 10.1002/2013JB010561
In addition, the measurements were produced using the procedure described in the following paper:
- Liu, K.H, and S.S. Gao (2013), Making reliable shear-wave splitting measurements, Bulletin of the Seismological Society of America, Volume 103, No.5, 14 pages, doi: 10.1785/0120120355
Kelly H. Liu Stephen S. Gao
Professor of Geophysics Professor of Geophysics
http://www.mst.edu/~liukh http://www.mst.edu/~sgao
liukh@mst.edu sgao@mst.edu
Geology & Geophysics Program
Missouri University of Science and Technology
Rolla, MO 65409, USA
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The columns in database are:
c1: Station_network name. The station name is padded with "x"s if it has less than 6 characters, and the network name is padded with a "y"
if it has only one character
c2: Phase name (SKS, PKS, SKK which is SKKS)
c3: Event name (EQ + yr + ddd + hh + mm)
c4: Station latitude in deg.
c5: Station longitude in deg.
c6). Fast polarization direction in degree, measured clockwise from the North
c7). The standard deviation of the fast direction in degree
c8). Splitting time in second
c9). The standard deviation of the splitting time in second
c10). Back azimuth, measured clockwise from the North.
c11). Modulo-90 degree back-azimuth
c12). Event latitude
c13). Event longitude
c14). Event depth
c15). Measurement quality
c16). Longitude of XKS raypiercing point at 200 km depth
c17). Latitude of XKS raypiercing point at 200 km depth
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