Poster Presentations

2015:

  • Schaeffer, A.J.*, S. Lebedev, and T.W. Becker. Global distribution of azimuthal anisotropy within the lithosphere, asthenosphere, and transition zone. 2015 EGU General Assembly, Vienna, Austria. April 2015.

2014:

  • Schaeffer, A.J. and S. Lebedev*. Global Distribution of azimuthal anisotropy within the upper mantle and the crust. 2014 EGU General Assembly, Vienna, Austria. April 2014.
  • Neenan, E.E.*, A.J. Schaeffer, S. Lebedev, T. Meier, and T. Blake. Array Imaging at Continent Scale: Surface-Wave Tomography of Asia using automated, broadband interstation measurements. 2014 EGU General Assembly, Vienna, Austria. April 2014.
  • Schaeffer, A.J.*, and S. Lebedev. The North America-North Atlantic domain: Lithospheric structure and dynamics from seismic tomography. 57th IGRM, University College Dublin. March 2014.

2013:

  • Schaeffer, A.J.* and S. Lebedev. Global variations in azimuthal anisotropy of the Earth’s upper mantle and crust. AGU Fall Meeting, San Francisco. December 2013.
  • Lebedev, S., and A.J. Schaeffer*. Lithospheric structure of the North American continent imaged with Earthscope USArray and Global Data. AGU Fall Meeting, San Francisco. December 2013.
  • Neenan, E.E., A.J. Schaeffer*, S. Lebedev*, T. Meier, and T. Blake. Arraying Imaging at continent scale: surface-wave imaging of Asia using automated, broadband interstation measurements. AGU Fall Meeting, San Francisco. December 2013.
  • Lebdev, S.*, C. Horan, A.J. Schaeffer, P.W. Readman, M.R. Agius, L. Collins, N. Piana Agosinetti, A. Licciardi, J.M.-C. Adam, F. Hauser, B.M O’Reilly, and T. Blake. Ireland Array: Probing the crust and mantle beneath Ireland and North Atlantic. Atlantic Ireland Conference (PIP-ISPGP), Dublin. November 2013.
  • Neenan, E.E.*, A.J. Schaeffer, S. Lebdev, T. Blake, and T. Meier. High-resolution mapping of surface-wave velocities across Asia using automated inter-station measurements. CTBT Science Technology Conference, Vienna, Austria. June 2013.
  • Schaeffer, A.J.* and S. Lebedev. Heterogeneity and Anisotropy of the Earth’s upper mantle and crust. 4th QUEST Workshop, Benodet, France. May 2013.
  • Schaeffer, A.J. and S. Lebedev*. Heterogeneity of the Earth’s upper mantle, from waveform inversion of over one million broadband seismograms. 2013 EGU General Assembly, Vienna, Austria. April 2013.

2012:

  • Blake, T., S. Lebedev, B.M. O’Reilly, N. Piana Agostinetti*, M.R. Agius, and A.J. Schaeffer. An unusual occurrence of a moderately sized earthquake (Ml ~4.2) on the Irish continental shelf and passive margin. AGU Fall Meeting, San Francisco. December 2012.
  • Lebdev, S., M.R. Agius, A.J. Schaeffer*, C. Horan, D. Piccinini and N. Piana Agostinetti*. Strike-slip tectonics in northwestern Ireland? Evidence from the 2012 January seismic sequence in Co. Donegal, Ireland. AGU Fall Meeting, San Francisco. December 2012.
  • Neenan, E.E., A.J. Schaeffer, M.R. Agius, and S. Lebedev*. The North Anatolian Fault and lithospheric dynamics of eastern Mediterranean: A seismic surface-wave study. European Seismological Commission 33rd General Assembly, Moscow, Russia. August 2012.
  • Neenan, E.E., A.J. Schaeffer, M.R. Agius, and S. Lebedev*. The North Anatolian Fault and lithospheric dynamics of eastern Mediterranean: A seismic surface-wave study. 2012 EGU General Assembly, Vienna, Austria. April 2012.
  • Lebedev, S.*, C. Horan, P.W. Readman, A.J. Schaeffer, M.R. Agius, L. Collins, F. Hauser, B.M. O’Reilly, and T. Blake. Ireland Array: New broadband seismic stations target the structure, evolution, and seismicity of Ireland and surroundings. 55th IGRM, University College Cork, Cork. February 2012.
  • Neenan, E.E., A.J. Schaeffer*, M.R. Agius, and S. Lebedev. The North Anatolian Fault and lithospheric dynamics in eastern Mediterranean: A seismic surface-wave study. 55th IGRM, University College Cork, Cork.February 2012.
  • Lynch, P., M.R. Agius*, A.J. Schaeffer*, and S. Lebedev. Robust shear-velocity profiles within oceanic lithosphere and asthenosphere: Implications for thermal and compositional structure. 55th IGRM, University College Cork, Cork. February 2012.

2011:

  • Neenan, E.E.,  A.J. Schaeffer*, M.R. Agius*, and S. Lebedev. Lithospheric Anisotropy and Deformation in Anatolia, Eastern Mediterranean: A Seismic surface-wave study. AGU Fall Meeting, San Francisco. December 2011.
  • Lynch, P. M.R. Agius*, A.J. Schaeffer*, and S. Lebedev. Robust shear-velocity profiles within oceanic lithosphere and asthenosphere: implications for thermal and compositional structure. AGU Fall Meeting, San Francisco. December 2011.
  • Lebedev, S., M.R. Agius*, and A.J. Schaeffer. Shallow-Angle subduction of the Indian plate beneath Tibet: new seismic images and implications for the evolution of the plateau. AGU Fall Meeting, San Francisco. December 2011.

2010:

  • Schaeffer, A.J.* and S. Lebedev. Seismic structure of the North American lithosphere and upper mantle imaged using surface and S waveform tomography. AGU Fall Meeting, San Francisco. December 2010.
  • Schaeffer, A.J.* and M.G. Bostock. A low-velocity zone top the transition zone in northwestern Canada. SEDI 12th Symposium, Santa Barbara. July 2010.
  • Schaeffer, A.J.* and M.G. Bostock. A low-velocity zone atop the transition zone in Northwestern Canada.Cooperative Institute for Dynamic Earth Research (CIDER), Summer Program, Santa Barbara California. July 2010
  • Schaeffer, A.J.* and S. Lebedev. Seismic structure of the lithosphere and upper mantle of North America from the inversion of surface and S waveforms. IRIS Annual Workshop, Snowbird Resort, Utah. June 2010.

2008:

  • Schaeffer, A.J.* and M.G. Bostock. Nature of a low-velocity zone atop the transition zone in Northwestern Canada. AGU Fall Meeting, San Francisco. December 2008.
  • Schaeffer, A.J.* and M.G. Bostock. Seismic low-velocity zone beneath the Slave province using P and S receiver functions. IRIS Annual Workshop, Stevenson, Washington. May 2008.

2007:

  • Schaeffer, A.J.* and M.G. Bostock. Preliminary investigation of shallow-mantle structures beneath western Canada using Sp conversions. AGU Fall Meeting, San Francisco. December 2007.
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