Cassandra M. Smith¹, Kathleen F McKee², Sean Maher³, Kevin Reath⁴, Eveanjelene Snee⁵, Robin S Matoza⁶, Simon A Carn⁷, Larry G Mastin⁸, David E Damby⁹, Diana C. Roman², Artem Degterev¹⁰, Alexander Rybin¹⁰ and Marina Chibisova¹⁰, (1)USGS Alaska Volcano Observatory, Anchorage, AK, United States, (2)Carnegie Institution for Science, Department of Terrestrial Magnetism, Washington, DC, United States, (3)University of California, Santa Barbara, Department of Earth Science, Santa Barbara, CA, United States, (4)Cornell University, Earth and Atmospheric Sciences, Ithaca, NY, United States, (5)Cardiff University, School of Earth and Ocean Sciences, Cardiff, United Kingdom, (6)University of California, Santa Barbara, Department of Earth Science and Earth Research Institute, Santa Barbara, CA, United States, (7)Michigan Technological University, Department of Geological and Mining Engineering & Sciences, Houghton, MI, United States, (8)US Geological Survey Cascades Volcano Observatory, Vancouver, WA, United States, (9)USGS California Volcano Observatory, Menlo Park, CA, United States, (10)Sakhalin Volcanic Eruptions Response Team (SVERT), Institute of Marine Geology and Geophysics, Yuzhno-Sakhalinsk, Russia