Temporal Variation in Oscillatory Characteristics of Long-period Tremor at Aso Volcano, Japan.
Mare Yamamoto, Tohoku University, Sendai, Japan, Takahiro Ohkura, Kyoto University, Kyoto, Japan, Satoshi Kaneshima, Kyushu University, Fukuoka, Japan and Hitoshi Kawakatsu, Earthquake Research Institute, The University of Tokyo, Tokyo, Japan
