Empirical Relation for the Quality Factors of Crack Resonances and Its Application to Estimate Source Properties of Volcanic Long-period Seismic Events

Kimiko Taguchi1, Hiroyuki Kumagai1, Yuta Maeda1 and Roberto Armando Torres2, (1)Nagoya University, Nagoya, Japan, (2)Servicio Geológico Colombiano Pasto, Pasto, Colombia