Surface wave propagation direction across the USArray observed with ambient noise: A newish observable
Ivan Kurz, Univ Colorado, Boulder, CO, United States, Lili Feng, University of Colorado Boulder, Department of Physics, Boulder, CO, United States, Ye Tian, University of Colorado at Boulder, Boulder, CO, United States, Weisen Shen, Stony Brook University, Department of Geosciences, Stony Brook, NY, United States and Michael H Ritzwoller, University of Colorado Boulder, Department of Physics, Boulder, United States
