When do Volcanic Eruptions make Lightning? Observations from Sakurajima, Japan

Sonja A Behnke, Los Alamos National Laboratory, Los Alamos, NM, United States, Stephen R McNutt, University of South Florida Tampa, School of Geosciences, Tampa, FL, United States, Ronald J Thomas, New Mexico Inst Mining & Tech, Socorro, United States, Cassandra M. Smith, University of South Florida Tampa, Tampa, FL, United States, Harald E Edens, New Mexico Tech, Langmuir Laboratory, Socorro, NM, United States, Alexa R Van Eaton, USGS Cascades Volcano Observatory, Vancouver, WA, United States, Corrado Cimarelli, Ludwig Maximilians University of Munich, Department of Earth and Environmental Sciences, Munich, Germany, Valeria Cigala, Ludwig Maximilian University of Munich, Department of Earth and Environmental Sciences, Munich, Germany, Christopher W Michel, CM Arborcare, Los Alamos, NM, United States, Daisuke Miki, Kyoto University, Sakurajima Volcano Research Center, Disaster Prevention Research Institute, Kyoto, Japan and Masato Iguchi, Kagoshima City Hall, Kagoshima, Japan