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Ellen Marie Syracuse

Ellen Syracuse

Phone (505) 667-2269


  • Earth and Space Sciences
  • Geoscience
  • Geophysics
  • Seismic analysis
  • Earthquakes


  • Earthquake relocation
  • Body-wave tomography
  • Joint inversions
  • Subduction systems


Ph.D. in Geophysics, Boston University, Boston, MA, 2009

Sc.B. in Physics, with Honors,
A.B. in Geology-Physics/Mathematics,
Brown University, Providence, RI, 2003


LANL Positions

Director’s Postdoctoral Fellow, Earth and Environmental Sciences, Geophysics Group (EES-17), 2013-present


Professional Societies

AGU - American Geophysical Union, 2004-present



Syracuse, E. M., C. H. Thurber, C. J. Rawles, M. K. Savage, S. Bannister (2013), High-resolution relocation of aftershocks of the Mw7.1 Darfield, New Zealand, earthquake and implications for fault activity, J. Geophys. Res., 118(8), 4184-4195,doi:10.1002/jgrb.50301.

Holt, R. A., M. K. Savage, J. Townend, E. M. Syracuse, C. H. Thurber (in press), Crustal stress and fault strength in the Canterbury Plains, New Zealand, Earth Planet. Sci. Lett.

Segall, P., A. L. Llenos, S.-H. Yun, A. M. Bradley, E. M. Syracuse (accepted to J. Geophys. Res.), Time-dependent dike propagation from joint inversion of seismicity and deformation data.

Syracuse, E. M., R. A. Holt, M. K. Savage, J. H. Johnson, C. H. Thurber, K. Unglert, K. N. Allan, S. Karaliyadda, M. Henderson (2012), Temporal and spatial evolution of hypocentres and anisotropy from the Darfield aftershock sequence: Implications for fault geometry and age, New Zeal. J. Geol. Geophys., 55(3), 287-293, doi:10.1080/00288306.2012.690766.

Cooper, L. B., D. M. Ruscitto, T. Plank, P. J. Wallace, E. M. Syracuse, C. E. Manning (2012), Global variations in H2O/Ce: 1. Slab surface temperatures beneath volcanic arcs, Geochem. Geophys. Geosyst., 13, Q03024, doi:10.1029/2011GC003902.

Syracuse, E. M., C. H. Thurber, J. A. Power (2011), The Augustine magmatic system as revealed by seismic tomography and relocated earthquake hypocenters from 1994 through 2009, J. Geophys. Res., 116, B09306, doi:10.1029/2010JB008129.

P. E. van Keken, B. R. Hacker, E. M. Syracuse, G. A. Abers (2011), Subduction factory: 4. Depth-dependent flux of H2O from subducting slabs worldwide, J. Geophys. Res., 116, B01401, doi:10.1029/2010JB007922.

Syracuse, E. M., C. H. Thurber, C. J. Wolfe, P. G. Okubo, J. H. Foster, B. A. Brooks (2010), High-Resolution locations of triggered earthquakes and tomographic imaging of Kilauea Volcano's south flank, J. Geophys. Res., 115, B10310, doi:10.1029/2010JB007554.

Syracuse, E. M., P. E. van Keken, G. A. Abers (2010), The global range of subduction zone thermal models, Phys. Earth. Planet. In., 183(1-2), 73-90, doi:10.1016/j.pepi.2010.02.004.

Poland, M. P., A. Miklius, D. Wilson. P. Okubo, E. Montgomery-Brown, P. Segall, B. Brooks, J. Foster, C. Wolfe, E. Syracuse, C. Thurber (2010), Slow Slip Event at KÄ«lauea Volcano, Eos Trans. AGU, 91, 13, 118-119, doi:10.1029/2010EO130002.

Syracuse, E. M., G. A. Abers (2009), Systematic biases in subduction zone hypocenters, Geophys. Res. Lett., 36, L10303, doi:10.1029/2009GL037487.

J. A. Walker, A. P. Teipel, J. G. Ryan, E. Syracuse (2009), Light elements and Li isotopes across the northern portion of the Central American subduction zone, Geochem. Geophys. Geosyst., 10, Q06S16, doi:10.1029/2009GC002414.

S. W. French, K. M. Fischer, E. M. Syracuse, M. E. Wysession (2009), Crustal structure beneath the Florida-to-Edmonton broadband seismometer array, Geophys. Res. Lett., 36, L08309, doi:10.1029/2008GL036331.

Syracuse, E. M., G. A. Abers, K. Fischer, L. MacKenzie, C. Rychert, M. Protti, V. Gonzales, W. Strauch (2008), Seismic tomography and earthquake locations in the Nicaraguan and Costa Rican upper mantle, Geochem. Geophys. Geosyst., 9, Q07S08, doi:10.1029/2007GC001887.

L. MacKenzie, G. A. Abers, K. M. Fischer, E. M. Syracuse, J. M. Protti, V. Gonzalez, W. Strauch (2008), Crustal structure along the southern Central American volcanic front, Geochem. Geophys. Geosyst., 9, Q08S09, doi:10.1029/2008GC001991.

C. A. Rychert, K. M. Fischer, G. A. Abers, T. Plank, E. Syracuse, J. M. Protti, V. Gonzalez, W. Strauch (2008), Strong along-arc variations in attenuation in the mantle wedge beneath Costa Rica and Nicaragua, Geochem. Geophys. Geosyst., 9, Q10S10, doi:10.1029/2008GC002040.

Syracuse, E. M., G. A. Abers (2006), Global compilation of variations in slab depth beneath arc volcanoes and implications, Geochem. Geophys. Geosyst., 7, Q05017, doi:10.1029/2005GC001045.


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