Thorsten W. Becker

Jackson School of Geosciences
The University of Texas at Austin

Slab surfing


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teaching: UT GEOL: [303], [371]; other classes
[CIDER] [C] [UNIX/GMT] [SEATREE] [visuals]

Other Earth science / computing visualizations for download

Tomography slab profile movies

Click each image below for a gif movie of slices through three P wave tomography models down to 2000 km depth moving along RUM seismicity contours and azimuths for several subduction zones. Use Preview, Eog, gifview or some other graphics tool to click through the frames.

subduction zone tomography models
MIT-P08 GAP_P4 UU-P07
Central America
South America
Caribbean
Indonesia
Mariana-Japan-Kuriles
Tonga
Aleutians

References

  • RUM seismicity contours:
    • Gudmundsson, Ó., and M. Sambridge (1998), A regionalized upper mantle (RUM) seismic model, J. Geophys. Res., 103 (B4), 7121-7136, doi:10.1029/97JB02488.
  • MITP08 tomography:
    • Li, C., R. D. van der Hilst, E. R. Engdahl, and S. Burdick (2008), A new global model for P wave speed variations in Earth's mantle, Geochem. Geophys. Geosyst., 9, Q05018, doi:10.1029/2007GC001806.
  • GAP_P4 tomography:
    • Obayashi M., J. Yoshimitsu, G. Nolet, Y. Fukao, H. Shiobara, H. Sugioka, H. Miyamachi, Y. Gao (2013), Finite frequency whole mantle P-wave tomography: Inprovement of subducted slab, Geophys. Res. Lett., 40, 5652-5657, doi:10.1002/2013GL057401.
    • Fukao Y., M. Obayashi (2013), Subducted slabs stagnant above, penetrating through and trapped below the 660-km discontinuity. J. Geophys. Res., 118, 5920-5938, doi:10.1002/2013JB010466.
  • UU-P07 tomography:
    • Amaru, M.L., 2007, Global travel time tomography with 3-D reference models: Geologica Ultraiectina, 274, 174p.
    • Hall, R., and Spakman, W., 2015, Mantle structure and tectonic history of SE Asia: Tectonophysics, 658, 14-45.

Updated: June 14, 2019 (c) JSG Geodynamics, 2019.