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Ellen Marie Syracuse

Ellen Syracuse

Phone (505) 667-2269


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


  • Earthquake location
  • 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

Scientist, Earth and Environmental Sciences, Geophysics Group (EES-17), Seismo-Acoustics Team, 2016-present

Director’s Postdoctoral Fellow, Earth and Environmental Sciences, Geophysics Group (EES-17), 2013-2016


Professional Societies

AGU - American Geophysical Union, 2004-present

SSA - Seismological Society of America, 2014-present



Syracuse, E. M., H. Zhang, M. Maceira (2017), Joint inversion of seismic and gravity data for imaging seismic velocity structure of the crust and upper mantle beneath Utah, United States, Tectonophysics, doi:10.1016/j.tecto.2017.07.005.

Syracuse E. M., W. S. Phillips, M. Maceira, M. L. Begnaud (2017), Identifying and correcting timing errors at Iranian seismic stations, Seismol. Res. Lett., doi:10.1785/0220170113

Syracuse, E. M., M. Maceira, G. A. Prieto, H. Zhang, C. J. Ammon (2016), Multiple plates subducting beneath Colombia, as illuminated by seismicity and velocity from the joint inversion of seismic and gravity data, Earth Planet. Sci. Lett., 444, 139-149, doi:10.1016/j.epsl.2016.03.050.

Syracuse, E. M., M. Maceira, H. Zhang, C. H. Thurber (2015), Seismicity and structure of Akutan and Makushin Volcanoes, Alaska, using joint body- and surface-wave tomography, J. Geophys. Res., 120(2), 1036-1052, doi:10.1002/2014JB011616.

Montgomery-Brown, E. K., E. M. Syracuse (2015), Tremor-genic slow slip regions tend to slip slower, and be deeper and warmer, Geochem. Geophys. Geosyst., 16, 3593-3606, doi:10.1002/2015GC005895.

Lin, Y., E. M. Syracuse, M. Maceira, H. Zhang, C. Larmat (2015), Double-difference travel-time tomography with edge-preserving regularization and a priori interfaces, Geophys. J. Int., 201, 574-594, doi:10.1093/gji/ggv047.

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 (2013), Crustal stress and fault strength in the Canterbury Plains, New Zealand, Earth Planet. Sci. Lett., 383, 173-181, doi:10.1016/j.epsl.2013.09.041.

Segall, P., A. L. Llenos, S.-H. Yun, A. M. Bradley, E. M. Syracuse (2013), Time-dependent dike propagation from joint inversion of seismicity and deformation data, J. Geophys. Res., 118, 5785-5804, doi:10.1002/2013JB010251.

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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