Jan A Newton, University of Washington, Applied Physics Laboratory, Seattle, WA, United States, Craig M Risien, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, Troy Tanner, Applied Physics Laboratory, University of Washington, Seattle, WA, United States, Emilio Mayorga, Applied Physics Laboratory University of Washington, Seattle, WA, United States, Jonathan C Allan, Oregon Dept of Geology, Newport, OR, United States, Michael Kosro, Oregon State University, Corvallis, OR, United States and Charles M Seaton, Oregon Health & Science University, Portland, OR, United States