About OKUMA S
About Geological Survey of Japan, Tsukuba, JPN
About MAKINO M
About Geological Survey of Japan, Tsukuba, JPN
About NAKATSUKA T
About Geological Survey of Japan, Tsukuba, JPN
About Journal of Geomagnetism and Geoelectricity
About Izu Oshima Island
About Geomagnetism in general
About 日本
About 伊豆大島火山
About 周辺
About 磁化
About マッピング