Papers in Press

Evaluation of Post-caldera Activity on the Onikobe Fault along the Southwestern Margin of the Onikobe Caldera, Miyagi, Northeastern Japan (Original Article)

Ryuhei SANJO and Toshihiko SUGAI

Journal of Geography (Chigaku Zasshi), Regular Issue

Accepted Date: 2026/2/9

Review of Volcanic Activity and Geophysical Observations since the 20th Century at Ebinokogen Iwo-Yama Volcano (Review Article)

Dan MURAMATSU and Takeshi MATSUSHIMA

Journal of Geography (Chigaku Zasshi), Special Issue

Accepted Date: 2025/12/3

Time Series Change in the Chemistry of Hot Pool Water Collected from Fumarole Areas around Ebinokogen Ioyama (Original Article)

Jun-ichiro ISHIBASHI, Kei YAMASHITA, Keigo MORI, Tomoharu MIYAMOTO, Takeshi MATSUSHIMA and Yasuhisa TAJIMA

Journal of Geography (Chigaku Zasshi), Special Issue

Accepted Date: 2025/9/17

Spatial and Temporal Variations in Helium Isotope Ratios of Fumaroles and Hot/Cold Spring Gases at the Kirishima Volcanic Group (Review Article)

Hirochika SUMINO, Nanae FUKUSHIMA, Rai YONEDA, Kotaro TOYAMA, Tomoya OBASE, Yuki YASUDA, Muga YAGUCHI, Jun-ichiro ISHIBASHI and Takeshi OHBA

Journal of Geography (Chigaku Zasshi), Special Issue

Accepted Date: 2025/12/4

Chemical Composition and Stable Isotope Ratios of Volcanic Gases from Mt. Ebinokogen Ioyama, Japan (Original Article)

Takeshi OHBA, Muga YAGUCHI, Masanori ITO and Urumu TSUNOGAI

Journal of Geography (Chigaku Zasshi), Special Issue

Accepted Date: 2025/11/16

Magma Plumbing System beneath Kirishima-Ohachi Volcano: Constraints from Olivine-hosted Melt Inclusions of the AD 1235 Takaharu Scoria Eruption (Original Article)

Hidemi ISHIBASHI, Yoshiharu IWAKI, Toru ISHIKAWA, Natsumi HOKANISHI, Atsushi YASUDA and Yasuhisa TAJIMA

Journal of Geography (Chigaku Zasshi), Special Issue

Accepted Date: 2025/9/4

Understanding the Multi-eruption and Multi-volcanic Activities of Kirishima Volcano Over Different Time Scales (Review Article)

Yasuhisa TAJIMA

Journal of Geography (Chigaku Zasshi), Special Issue

Accepted Date: 2025/6/3