S049
Earth Science Research Supporting Global Security I

Monday, 14 December 2020: 19:00-20:00
Virtual
Primary Convener:  Charlotte A Rowe, Los Alamos National Laboratory, Los Alamos, NM, United States
Conveners:  Robert J Mellors, LLNL L-046, Livermore, CA, United States, Bion John Merchant, Sandia National Laboratories, Albuquerque, NM, United States and Michael P Foxe, Pacific Northwest National Laboratory, Richland, WA, United States
Primary Liaison:  Charlotte A Rowe, Los Alamos National Laboratory - LANL, Earth and Environmental Science, Los Alamos, NM, United States
Chairs:  Charlotte A Rowe, Los Alamos National Laboratory - LANL, Earth and Environmental Science, Los Alamos, NM, United States and Bion John Merchant, Sandia National Laboratories, Albuquerque, NM, United States
OSPA Liaison:  Charlotte A Rowe, Los Alamos National Laboratory - LANL, Earth and Environmental Science, Los Alamos, NM, United States
19:00
Introductory Remarks
19:02
Comparing Higher-dimensional Velocity Models for Seismic Location Accuracy using a Consistent Travel Time Framework (670736)
Michael L Begnaud1, Sanford Ballard2, Andrea Conley2, Patrick Hammond2 and Christopher J Young2, (1)Los Alamos National Laboratory, Los Alamos, NM, United States, (2)Sandia National Laboratories, Albuquerque, NM, United States
19:06
Relative Seismic Source Scaling Based on Pn Observations from North Korean Underground Nuclear Explosions (699344)
Junghyun Park1, Brian William Stump1, Il-Young Che2, Chris Hayward1 and Xiaoning Yang1, (1)Southern Methodist University, Roy Huffington Department of Earth Sciences, Dallas, TX, United States, (2)Korea Institute of Geoscience and Mineral Resources, Earthquake Research Center, Daejeon, South Korea
19:10
Joint regional waveform and surface displacement inversion for the seismic moment tensor: Application to September 3, 2017 declared North Korean nuclear test (757785)
Rodrigo Chi-Duran1, Douglas Scott Dreger1 and Arthur J Rodgers2, (1)University of California Berkeley, Berkeley, CA, United States, (2)Lawrence Livermore National Laboratory, Atmospheric, Earth and Energy Division, Livermore, CA, United States
19:14
Nine Months of Seismic Network Records of Munition Disposal Reveal Multi-Scale Atmospheric Variability Controls on Near-Ground Explosion Monitoring Capabilities (685459)
Joshua Carmichael1, Andrew Thiel2, Fransiska K Dannemann Dugick3, Jacob I. Walter2 and Philip S. Blom1, (1)Los Alamos National Laboratory, Los Alamos, NM, United States, (2)University of Oklahoma, Oklahoma Geological Survey, Norman, OK, United States, (3)Southern Methodist University, Dallas, TX, United States
19:18
Phased Array Analysis Incorporating the Continuous Wavelet Transform (709393)
Charles A Langston, Center for Earthquake Research and Information, University of Memphis, Memphis, TN, United States
19:22
Local distance seismic source classification during the iMUSH project (677079)
Ruijia Wang, University of New Mexico Main Campus, Albuquerque, NM, United States, Brandon Schmandt, University of New Mexico, Department of Earth & Planetary Sciences, Albuquerque, NM, United States and Keith D. D Koper, University of Utah, Department of Geology and Geophysics, Salt Lake City, UT, United States
19:26
Effects of Source Scaling on Local-Distance P/S Amplitude Ratios for Seismic-Source Discrimination (706577)
Chanel A Deane1, Charles J Ammon1, Austin White-Gaynor1, Azangi Mangongolo2, Andrew Nyblade1 and Raymond J Durrheim2, (1)Pennsylvania State University Main Campus, Department of Geosciences, University Park, PA, United States, (2)University of the Witwatersrand, School of Geosciences, Johannesburg, South Africa
19:30
Simulation of Underground Chemical Explosions in Anisotropic Dry Alluvium Geology using Hydrodynamic Generated Source Coupled to Far-Field Linear Anisotropic Wave propagation (761217)
Souheil M Ezzedine1, Oleg Vorobiev2, Arben Pitarka2, Tarabay Antoun2 and William R Walter3, (1)Univ California LLNL, Livermore, CA, United States, (2)Lawrence Livermore National Laboratory, Livermore, CA, United States, (3)Lawrence Livermore Lab, Livermore, CA, United States
19:34
Discussion
See more of: Seismology