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                   The 4th International Symposium on
               Recent Advances in Exploration Geophysics 
                           in Kyoto (RAEG'99)

                           December 15, 1999

                       Siran Kaikan, Kyoto, Japan


                               PROGRAM

Wednesday, December 15.

 10:50-11:00 Opening Address
             Yuzuru Ashida (Kyoto University, Japan)

                        Seismic Method (11:00~12:00)

                          Chair: Toshiki Watanabe (Kyoto University, Japan)

 11:00-11:20 Radiation of strong ground motion from various fault types
             Takao Kagawa (Geo-Research Institute, Japan)

 11:20-11:40 Imaging of refraction boundary using convolution product
             Toshifumi Matsuoka (Kyoto University, Japan)

 11:40-12:00 Introduction of the 'Advanced Seismic Imaging Technology' 
             project for oil exploration
             Masami Hato*, Nobuyuki Shimizu** and Yoshinari Nakajima*** 
             (*Japan Petroleum Exploration Co. Ltd., Japan, **JGI, Inc., 
             Japan, ***Japan National Oil Corporation, Japan)

                              Lunch (12:00-13:20)

                Seismic Modeling and Inversion (13:20-15:00)

                                Chair: Nobuyuki Shimizu (JGI, Inc., Japan)

 13:20-13:40 Full wave inverion in frequency-domain
             Shin'ichi Uesaka (Kansai Research Institute, Japan)

 13:40-14:00 A simple method to incorporate correlation information into 
             the inversion process in full-wave tomography
             Terumitsu Tsuchiya (DIA Consultants Co., Ltd., Japan)

 14:00-14:20 Robust tomography using wide-band Fresnel zone wavepath
             Bagus. E. B. Nurhandoko (Kyoto University, Japan)

 14:20-14:40 Traveltime-based raytracing for reflection waves
             Eiichi Asakawa and Nobuyuki Shimizu (JGI, Inc., Japan)

 14:40-15:00 Viscoelastic finite-difference modeling with application to 
             shallow seismic refraction data
             Koichi Hayashi (OYO Corporation, Japan)

                         Coffee Break (15:00-15:20)

            Fracture and Electromagnetic Method (15:20-17:00)

                       Chair: Toshifumi Matsuoka (Kyoto University, Japan)

 15:20-15:40 Acoustic tapping survey for cavities using wavelet transform 
             signal analysis
             Fumio Watanabe and Keichi Kasahara (Nippon Geophysical 
             Prospecting Co. Ltd., Japan)

 15:40-16:00 Fracture analysis in the Nojima fault from FMI images
             Tsutomu Kiguchi, Hisao Ito, Yasuto Kuwahara and Tomoyuki 
             Ohtani (Geological Survey of Japan, Japan)

 16:00-16:20 Fracture zone imaging by using radar tomography 
             ---Numerical study by the gradient method---
             Yoshinori Sanada, Toshifumi Matsuoka, Keisuke Yamamoto and 
             Yuzuru Ashida (Kyoto University, Japan)

 16:20-16:40 Three-dimensional magnetotelluric analysis for Kakkonda 
             geothermal field
             Kazunobu Yamane*, Kazumi Osato* and Kazuo Koide** 
             (*Geothermal Energy Research and Development Co., Ltd., 
             Japan, **New Energy and Industrial Tchnology Development 
             Organization, Japan)

 16:40-17:00 Visualization of the inversion results of 3-dimensional 
             electromagnetic exploration method
             Yutaka Murakami (Geological Survey of Japan, Japan)

 17:00-17:10 Closing Remarks
             Toshifumi Matsuoka (Kyoto University, Japan)

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