Keehoon Kim

Geophysicist
Atmospheric, Earth, & Energy Division
Email: kim84@llnl.gov
Phone: +19254226800

Education

  • Ph.D., Geological Sciences, University of North Carolina, Chapel Hill, 2013
  • M.S., Geophysics, Seoul National University, Seoul, Korea, 2006
  • B.A., Geology, Pusan National University, Busan, Korea, 2004

Research Interests

  • Seismoacoustic explosion source phenomenology; explosion yield estimation
  • Seismic and acoustic full-waveform inversions
  • Acoustic/infrasonic wave propagation simulation in the atmosphere
  • Developing 3D/2D acoustic solvers using finite difference methods

Recent Publications

Kim, K. and A. Rodgers, (2016) Waveform inversion of acoustic waves for explosion yield estimation, Geophysical Research Letters, 43, 6883-6890

Kim, K., Fee, D., Yokoo, A., and Lees, J. M. (2015), Acoustic source inversion to estimate volume flux from volcanic explosions, Geophysical Research Letters, 42, 5243-5249

Kim, K. and Lees, J. M. (2015), Imaging volcanic infrasound sources using time reversal mirror algorithm, Geophysical Journal International, 202, 1663-1676

Kim, K. and Lees, J. M. (2014), Local Volcano Infrasound and Source Localization Investigated by 3D Simulation, Seismological Research Letters, 85, 1177-1186

Rowell, C. R., Fee, D., Szuberla, C. A.L., Arnoult, K., Matoza, R. S., Firstov, P. P., and Kim, K., and Makhmudov, E. (2014), Three-dimensional volcano-acoustic source localization at Karymsky Volcano, Kamchatka, Russia, Journal of Volcanology and Geothermal Research, 283, 101 – 115

Bowman, D. C., Taddeucci, J., Kim, K., Anderson, J. F., Lees, J. M., Graettinger, A. H., Sonder, I., and Valentine, G. A. (2014), The acoustic signatures of ground acceleration, gas expansion, and spall fallback in experimental volcanic explosions, Geophysical Research Letters, 41, 1916-1922

Kim, K., Lees, J. M., and Ruiz, M. C. (2014), Source mechanism of Vulcanian eruption at Tungurahua Volcano, Ecuador, derived from seismic moment tensor inversions, Journal of Geophysical Research: Solid Earth, 119, 1145-1164

Kim, K.., Lees, J.M., and Ruiz, M. (2012), Acoustic multipole source model for volcanic explosions and inversion for source parameters, Geophysical Journal International, 191, 1192–1204

Kim, K. and Lees, J.M. (2011), Finite-difference time-domain modeling of transient infrasonic wavefields excited by volcanic explosions, Geophysical Research Letters, 38(L06804)