Eruptive Materials of the 2000 Eruption of Usu Volcano, Northern Japan : Component Materials and their Temporal Change(<Special Section>The 2000 Eruption of Usu Volcano (2))
Mitsuhiro Nakagawa, Ryo Takahashi, Eiichi Ishii, Masamichi Egusa, Tomoko Seino, Mizuho Amma-Miyasaka, Keiji Wãda, Kiyoaki Niida, Yoshiaki ISHIZUKA, Mitsuhiro Yoshimoto, Takashi Kudo, Koki Aizawa, Junko Kitagawa, Naoto Hiraga, A. Matsumoto, H Togari
Abstract