Department of Earth and Planetary Sciences, Washington University, 1 Brookings Drive, St. Louis, MO 63130 United States
Department of Earth and Planetary Sciences, Washington University, 1 Brookings Drive, St. Louis, MO 63130 United States
National Research Institute for Earth Science and Desaster Prevention, National Disaster Information Center, International Seismic Network Laboratory, 3-1 Tenno-dai, Tsukuba, Ibaraki, 305-0006 Japan