The Japan Geoscience Union (JpGU), with 50 society members and more than 9,500 individual members, is a multidisciplinary geoscience organization based in Japan in all fields related to Earth and Planetary science. JpGU holds annual meetings at Makuhari Messe in Chiba Japan. JpGU also publishes open access-e journal, Progress in Earth and Planetary Science (PEPS).