Author's Organization：Beppu Geophysical Research Laboratory,Faculty of Science,Kyoto University Beppu Geophysical Research Laboratory,Faculty of Science,Kyoto University Beppu Geophysical Research Laboratory,Faculty of Science,Kyoto University Institute of Geosciences,Faculty of Liberal Arts,Shizuoka University Laboratory of Earth Science,Doshisha University
Published: January 15, 1991Received: April 09, 1990Available on J-STAGE: April 11, 2008Accepted: October 30, 1990
Advance online publication: -
Revised: -
