BW
Member Since 1987
Bill R. Walter
Research Scientist, Lawrence Livermore National Laboratory
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The Rock Valley Direct Comparison - An Experiment to put Earthquake/Explosion Identification on Firmer Physical Footing
AGU 2024
seismology | 13 december 2024
William R. Walter, Catherine M. Snelson, Robert E....
How well can we identify the source of observed seismic waves? Explosions, earthquakes and cavity collapses have different mechanisms and if the focal...
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Refined Seismic Tomography of the Rock Valley Fault Region using Interferometry
AGU 2024
seismology | 13 december 2024
Eric Matzel, Arben Pitarka, William R. Walter
We use several methods of seismic interferometry to obtain highly detailed images at the site of the Source Physics Experiment (SPE), with a particula...
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Examination of the Rock Valley Flower Structure using Fault Guided Waves
AGU 2024
seismology | 13 december 2024
Colin Pennington, William R. Walter
The Rock Valley Nevadas fault structure is comprised primarily of a ower structure with many fault strands, which makes identifying the main fault dif...
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Simulation of Far-Field Ground Motion Recorded During the PE1-A Chemical Explosion for the LYNM Experiment Using Hydrodynamic to Elastic Coupling
AGU 2024
seismology | 13 december 2024
Arben Pitarka, Sean R. Ford, Stephen C. Myers, Efr...
One of the main scientific objectives of the Low Yield Nuclear Monitoring (LYNM) PE1-A experiment is understanding source and wave-propagation effects...
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Exploring Uncertainty in Moment Estimation for Small Earthquakes using the Coda Envelope Method
AGU 2024
seismology | 11 december 2024
Anne Patton, Colin Pennington, William R. Walter, ...
Compiling source parameter estimates for small earthquakes is important both for our understanding of earthquake physics and for accurately assessing ...
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Moment Tensor Collapse Source Volumes
ADVANCEMENTS IN FORENSIC SEISMOLOGY TO IMPROVE MONITORING CAPABILITIES III POSTER
seismology | 15 december 2023
Gene A. Ichinose, Michael Pasyanos, Sean R. Ford, ...
Mine and cavity collapses can result in mb:Ms event screening false alarms for explosion monitoring because these events are shallow and involve signi...
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Title: Data analysis and simulations of the Source Physics Experiments Phase I (SPE), Phase II (DAG) and prediction of SPE Phase III (RVDC): Impact on explosion monitoring & discrimination
ADVANCEMENTS IN FORENSIC SEISMOLOGY TO IMPROVE MONITORING CAPABILITIES III POSTER
seismology | 15 december 2023
Souheil M. Ezzedine, Oleg Vorobiev, William R. Wal...
The Source Physics Experiments (SPE) are a series of controlled chemical explosions at the Nevada National Security Site to gather observations to ver...
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High Resolution Imagery and Waveform Propagation for the Source Physics Experiment at Rock Valley
ADVANCEMENTS IN FORENSIC SEISMOLOGY TO IMPROVE MONITORING CAPABILITIES III POSTER
seismology | 15 december 2023
Eric Matzel, Arben Pitarka, William R. Walter
We use several methods of seismic interferometry to obtain highly detailed images at the site of the Source Physics Experiment (SPE), with a particula...
View Abstract