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Vol.XVIII, No.3 >

Preliminary Report of the 1977 Eruption of Usu Volcano

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Title: Preliminary Report of the 1977 Eruption of Usu Volcano
Authors: Katsui, Y. Browse this author
Ōba, Y. Browse this author
Onuma, K. Browse this author
Suzuki, T. Browse this author
Kondo, Y. Browse this author
Watanabe, T. Browse this author
Niida, K. Browse this author
Uda, T. Browse this author
Hagiwara, S. Browse this author
Nagao, T. Browse this author
Nishikawa, J. Browse this author
Yamamoto, M. Browse this author
Ikeda, Y. Browse this author
Katagawa, H. Browse this author
Tsuchiya, N. Browse this author
Shirahase, M. Browse this author
Nemoto, S. Browse this author
Yokoyama, S. Browse this author
Soya, T. Browse this author
Fujita, T. Browse this author
Inaba, K. Browse this author
Koide, K. Browse this author
Issue Date: Mar-1978
Publisher: 北海道大学
Journal Title: 北海道大学理学部紀要
Journal Title(alt): Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy
Volume: 18
Issue: 3
Start Page: 385
End Page: 408
Abstract: On August 7 (09h 12m, local time), 1977, a major eruption of dacite pumice occurred from the summit of Usu Volcano (42°32'N, 140°50'E), Hokkaido, Japan, after 32 years of dormancy since the birth of Showa-Shinzan lava dome. Four notable explosive eruptions, two moderate and ten small ones have been recorded until the midnight of August 13-14, and then marked crustal movements and local earthquake swarms continue still at present. The sequence of the present eruption, the distribution and nature of the new ejecta, and the topographic deformation of the volcano, are briefly given in this report.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/36662
Appears in Collections:Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy > Vol.XVIII, No.3

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