Michael E Pasyanos

Group Leader, Seismology
Atmospheric, Earth, and Energy Division
Email: pasyanos1@llnl.gov
Phone: +19254236835


  • Ph.D., Geophysics, University of California at Berkeley, 1996
  • Sc.B., Geophysics, Brown University, 1991

Research Interests

Nuclear explosion monitoring, event identification/discrimination, surface waves, lithospheric structure, attenuation, seismic tomography, yield estimation.

Honors and Awards

  • IGG International Fellowship, Institute of Geology and Geophysics (IGG), Chinese Academy of Sciences (CAS), 2018
  • Consortium for Verification Technologies (CVT) Fellowship, 2017
  • Certificate in National Security Affairs, Bush School of Government and Public Service, Texas A&M University, 2012

Selected Publications

Pasyanos, M.E. and S.C. Myers (2018). The coupled location/depth/yield problem for North Korea's declared nuclear tests, Seism. Res. Lett., in press.

Pasyanos, M.E. and S.R. Ford (2015). Determining the source characteristics of explosions near the Earth’s surface, Geophys. Res. Lett. 42, 3786–3792, doi:10.1002/2015GL063624.

Pasyanos, M.E., T.G. Masters, G. Laske, and Z. Ma (2014). LITHO1.0: An updated crust and lithospheric model of the Earth, J. Geophys. Res. 119, 2153–2173, doi:10.1002/2013JB010626.

Pasyanos, M.E. (2013). A lithospheric attenuation model of North America, Bull. Seism. Soc. Amer. 103, 3321–3333, doi:10.1785/0120130122.

Pasyanos, M.E., W.R. Walter, and K.M. Mayeda (2012). Exploiting regional amplitude envelopes: a case study for earthquakes and explosions in the Korean Peninsula, Bull. Seism. Soc. Amer. 102, 1938–1948, doi:10.1785/0120120012.

Pasyanos, M.E. (2010). Lithospheric thickness modeled from long period surface wave dispersion, Tectonophysics 481, 38–50, doi:10.1016/j.tecto.2009.02.023.

Pasyanos, M.E. and W.R. Walter (2009). Improvements to regional explosion identification using attenuation models of the lithosphere, Geophys. Res. Lett. 36,L14304, doi:10.1029/2009GL038505.

Pasyanos, M.E., W.R. Walter, and E.M. Matzel (2009). A simultaneous multi-phase approach to determine P-wave and S-wave attenuation of the crust and upper mantle, Bull. Seism. Soc. Amer. 99, 3314–3325, doi:10.1785/0120090061.

Pasyanos, M.E., E.M. Matzel, W.R. Walter, and A.J. Rodgers (2009). Broadband Lg attenuation modeling of the Middle East, Geophys. J. Int. 177, 1166–1176, doi:10.1111/j.1365-246X.2009.04128.x.

Pasyanos, M.E. and A.A. Nyblade (2007). A top to bottom lithospheric study of Africa and Arabia, Tectonophysics 444, 27–44, doi:10.1016/j.tecto.2007.07.008.

Pasyanos, M.E. (2005). A variable-resolution surface wave dispersion study of western Eurasia and North Africa, J. Geophys. Res. 110,B12301, doi:10.1029/2005JB003749.