Sandia National Laboratories, Geophysical Technology Department, P.O. Box 5800, MS-0750, Albuquerque, NM 87185 United States; New Mexico Tech, Department of Earth and Environmental Science, 801 Leroy Place, Socorro, NM 87801 United States
Sandia National Laboratories, Geophysical Technology Department, P.O. Box 5800, MS-0750, Albuquerque, NM 87185 United States; Scripps Institution of Oceanography, Institute for Geophysics and Planetary Physics, La Jolla, CA 92093-0225 United States
New Mexico Tech, Department of Earth and Environmental Science, 801 Leroy Place, Socorro, NM 87801 United States