Archives（2026－）

1. Yamamoto Hiroki (B4)

ザンクリアン大洪水の陸から海への影響を示す指標

(Land-to-sea indicators of the Zanclean megaflood)

Micallef, A., Barreca, G., Hübscher, C. et al. (2024). Land-to-sea indicators of the Zanclean megaflood. Commun Earth Environ 5, 794 .

DOI: 10.1038/s43247-024-01972-w

2. Yamauchi Yujin (B4)

広いリフトから造⼭帯へ：原⽣代構造運動の新たな視点

(From wide rifts to orogens: A new perspective for Proterozoic tectonics)

Youseph Ibrahim, Patrice F. Rey; From wide ri:s to orogens: A new perspec?ve for Proterozoic tectonics. Geology 2026;; 54 (4): 306–310.

DOI: 10.1130/G54232.1

3. Nuno Masaki (B4)

東パラテチスの中期〜後期中新世古地理 第1 部：序論・盆地のテクトニクス構造・地震層序解析

(Middle–Late Miocene Paleogeography of the Eastern Paratethys. Part I. Introduction. Tectonic Structure of the Basins. Seismostratigraphic Analysis)

Patina, I. S., & Popov, S. V.（2025）. Middle–Late Miocene Paleogeography of the Eastern Paratethys. Part I. Introduction. Tectonic Structure of the Basins. Seismostratigraphic Analysis. Stratigraphy and Geological Correlation, 33(7), 789–813.

DOI: 10.1134/S0869593825700091

4. Hakumura Shu (M1)

津波堆積物と数値計算を用いた古津波の波源推定

(Paleotsunami Source Estimation Using Tsunami Deposits and Numerical Simulations)

K. Sato, M. Yamada, D. Ishimura, T. Ishizawa & T. Baba. (2022), Numerical estimation of a tsunami source at the flexural area of Kuril and Japan Trenches in the fifteenth to seventeenth century based on paleotsunami deposit distributions in northern Japan. Prog. Earth Planet. Sci., 9, 1-24.

DOI: 10.1186/s40645-022-00530-2

R. Nakanishi, J. Ashi. (2022), Sediment Transport Modeling Based on Geological Data for Holocene Coastal Evolution: Wave Source Estimation of Sandy Layers on the Coast of Hidaka, Hokkaido, Japan. J. Geophys. Res.: Earth Surf. 127, 1-23.

DOI: 10.1029/2022JF006721

5. Kita Yukiko (D3)

Water in feldspar

(Water in feldspar)

DOI:

1. Furukido Akito (B4)

ヒトと類人猿における尾の喪失進化の遺伝的基盤

(On the genetic basis of trail-loss evolution in humans and apes)

Bo, X., Weimin, Z., Guisheng, Z., Xinru, Z., Jiangshan, B., Ran, B., Aleksandra, W., Emily, H., Hannah, A., Gwen, E., Maayan, P., Yu, Z., Camila, C., Yinan, Z., Alexander, M., Jeremy S., D., Matthew T., M., Sang Y., K., Jef D., B., & Itai, Y.（2024）. On the genetic basis of trail-loss evolution in humans and apes. Nature, 626, 1042-1048.

DOI: 10.1038/s41586-024-07095-8

2. Ohno Yu (M1)

繰り返し地震を用いた余効すべりの時空間解析

(Spatiotemporal Analysis of Afterslip Using Repeating Earthquakes)

Igarashi, T., & Kato, A. (2021). Evolution of aseismic slip rate along plate boundary faults before and after megathrust earthquakes. Communications Earth & Environment, 2, 60.

DOI: 10.1038/s43247-021-00127-5

Chalumeau, C., Agurto-Detzel, H., De Barros, L., Charvis, P., Galve, A., Rietbrock, A., et al. (2021). Repeating earthquakes at the edge of the afterslip of the 2016 Ecuadorian Mw 7.8 Pedernales earthquake. Journal of Geophysical Research: Solid Earth, 126, e2021JB021746.

DOI: 10.1029/2021JB021746

3. Chimidtseren Ankhbayar (M1)

From mantle to hydrothermal ore: isotopic tracers of REE and HFSE enrichment in alkaline igneous systems

(From mantle to hydrothermal ore: isotopic tracers of REE and HFSE enrichment in alkaline igneous systems)

DOI:

1. Kagami Yu (B4)

中生代の海洋無酸素事変による固体地球の強制力

(Solid Earth forcing of Mesozoic oceanic anoxic events)

Gernon, T.M., Mills, B.J.W., Hincks, T.K. et al. (2024) Solid Earth forcing of Mesozoic oceanic anoxic events. Nat. Geosci. 17, 926–935.

DOI: 10.1038/s41561-024-01496-0

2. Arikawa tamawo (B4)

一つの造山サイクル内に記録された二段階の超高温変成作用

(Two episodes of ultrahigh-temperature metamorphism within one orogenic cycle)

Dong, J., Wei, C., Song, S., Zhao, G., & Zhang, G. (2026). Two episodes of ultrahigh-temperature metamorphism within one orogenic cycle. Earth and Planetary Science Letters, 679, 119887.

DOI: 10.1016/j.epsl.2026.119887

3. Oyama Kakeru (M1)

深層学習を用いた物体検出モデルと微小化石の解析への活用

(Deep Learning Object Detection and Its Application to Microfossil Analysis)

10.1109/JPROC.2023.3238524

DOI:

Ishino, S., Itaki, T., & Fukuda, M. (2025). Deep learning object detection for fossil diatom counting: assessing the impact of fossil preservation and intraspecific morphological variation. Marine Micropaleontology, 102519.

DOI: 10.1016/j.marmicro.2025.102519

4. Tsurumachi Yuki (M1)

機械学習を用いた沈み込み帯テクトニック微動の検出と震源決定

(Machine Learning-Based Detection and Localization of Tectonic Tremors in Subduction Zones)

Sagae, K., Kano, M., Yabe, S., & Uchide, T. (2025). Machine learning-based detection and localization of tectonic tremors in the Japan Trench. Journal of Geophysical Research: Solid Earth, 130, e2025JB031348.

DOI: 10.1029/2025JB031348

Sugii, A., Hiramatsu, Y., Uchide, T., & Imanishi, K. (2024). Automated hypocenter determination of tectonic tremors in the Nankai subduction zone using convolutional neural networks combined with semblance analysis. Earth, Planets and Space, 76, Article 179.

DOI: 10.1186/s40623-024-02126-0

5. Bold Munkhdelger (D3)

Continental Rifting in Orogenic Belts: An Overview

(Continental Rifting in Orogenic Belts: An Overview)

DOI:

1. Kitawada Hiroto (B4)

高間隙流体圧下におけるゆっくりとした断層運動による透水率の向上

(Permeability Enhancement by Slow Faulting Under High Pore Fluid Pressure)

Mandolini, Tommaso, et al. "Permeability enhancement by slow faulting under high pore fluid pressure." Geophysical Research Letters 53.2 (2026): e2025GL119145.

DOI: 10.1029/2025GL119145

1. Hashimoto Tomoya (B4)

細粒ケイ酸塩ダストによって継続したチクシュルーブ衝突の冬

(Chicxulub impact winter sustained by fine silicate dust)

Senel, C. B., Kaskes, P., Temel, O., Vellekoop, J., Goderis, S., DePalma, R., Prins, M. A., Claeys, P., & Karatekin, Ö. (2023). Chicxulub impact winter sustained by fine silicate dust. Nature Geoscience, 16, 1033-1040.

DOI: 10.1038/s41561-023-01290-4

2. Murayama Hikaru (B4)

砂床河川のダイナミクスが制御するマイクロプラスチックフラックス

(Sand bed river dynamics controlling microplastic flux)

Beaumont, H., Ockelford, A., & Morris-Simpson, P. (2024). Sand bed river dynamics controlling microplastic flux. Scientific Reports, 14, 29420.

DOI: 10.1038/s41598-024-80892-3

3. Takeda Ryo (M1)

中世温暖期および小氷期の古気候復元

(Reconstructing Medieval Climate Anomaly and Little Ice Age)

Chen, T., Cobb, K. M., Roff, G., Zhao, J., Yang, H., Hu, M., & Zhao, K. (2018). Coral-derived western Pacific tropical sea surface temperatures during the last millennium. Geophysical Research Letters, 45(8), 3542-3549.

DOI: 10.1002/2018GL077619

Wang, J., Yang, B., Fang, M., Wang, Z., Liu, J., & Kang, S. (2023). Synchronization of summer peak temperatures in the Medieval Climate Anomaly and Little Ice Age across the Northern Hemisphere varies with space and time scales. Climate Dynamics, 60, 3455-3470.

DOI: 10.1007/s00382-022-06524-6

4. Furukawa Tan (D3)

Hillertモデルと岩石の粒成長

(From Ideal Grain Growth to Rocks: The Hillert Mean-Field Model and Its Extensions)

DOI:

1. Takahashi Kyosuke (B4)

南極海の二酸化炭素放出と栄養塩負荷は氷期北太平洋の活発な換気によって抑制された

(Southern Ocean CO2 outgassing and nutrient load reduced by a well-ventilated glacial North Pacific)

Shankle, M. G., MacGilchrist, G. A., Gray, W. R., de Lavergne, C., Menviel, L. C., Burke, A., & Rae, J. W. (2025). Southern Ocean CO2 outgassing and nutrient load reduced by a well-ventilated glacial North Pacific. Nature Communications, 16(1), 8279.

DOI: 10.1038/s41467-025-63774-8

2. Suzuki Nana (B4)

ローソン石青色片岩相が支配するマントルウェッジコーナー中の巨大地震について

(Lawsonite Blueschist Control on Mantle Wedge Megathrust Earthquakes)

Hao Zhang, Sylvain Barbot, Zekang Yang, Mingqi Liu, Lei Zhang & John Platt (2026). Large megathrust earthquakes in cold mantle wedge corners under lawsonite blueschist facies. Nature Communications.

DOI: 10.1038/s41467-026-70315-4

3. Muto Monami (M1)

多重プロキシに基づいた 氷期大西洋循環の再構築

(Reconstructing Glacial Atlantic Circulation Using Multi-Proxy Approaches)

Pöppelmeier, F., Jeltsch-Thömmes, A., Lippold, J. et al. Multi-proxy constraints on Atlantic circulation dynamics since the last ice age. Nature Geoscience, 16, 349–356 (2023).

DOI: 10.1038/s41561-023-01140-3

Blaser, P., Waelbroeck, C., Thornalley, D.J.R. et al. Prevalent North Atlantic Deep Water during the Last Glacial Maximum and Heinrich Stadial 1. Nature Geoscience, 18, 410–416 (2025).

DOI: 10.1038/s41561-025-01685-5

4. Tamura Koyo (M2)

深部炭素循環の全体像と非生物起源メタン生成

(Overview of the Deep Carbon Cycle and Abiotic Methane Generation)

Vitale Brovarone, A., Wong, K., Giovannelli, D., De Pins, B., Gaillard, F., Massuyeau, M., ... & Daniel, I. (2025). Forms and fluxes of carbon: Surface to deep. In Treatise on Geochemistry (Third Edition) (Vol. 2, pp. 647-698). Elsevier.

DOI: 10.1016/B978-0-323-99762-1.00142-X

Harada, H., & Tsujimori, T. (2024). Methane genesis within olivine-hosted fluid inclusions in dolomitic marble of the Hida Belt, Japan. Progress in Earth and Planetary Science, 11(1), 6.

DOI: 10.1186/s40645-024-00609-y

1. Muramatsu Kotaro (M1)

やや深発地震におけるスラブ構造と破壊過程およびメカニズム遷移

(Slab Structure, Rupture Process, and Mechanism Transition in Intermediate-Depth Earthquakes)

Wang, Z., Zhao, D., & Chen, X. (2023). Fine structure of the subducting slab and the 2022 M 7.4 Fukushima-Oki intraslab earthquake. Seismological Research Letters, 94(1), 17–25.

DOI: 10.1785/0220220234

Jia, Z., Mao, W., Flores, M. C., Barra, S., Ruiz, S., Potin, B., Becker, T. W., Moreno, M., Baez, J. C., Ceroni, D., & Cabrera, L. (2025). Deep intra-slab rupture and mechanism transition of the 2024 Mw 7.4 Calama earthquake. Nature Communications, 16, 8140.

DOI: 10.1038/s41467-025-63480-5

2. Masuda Hidetoshi (M2)

73年で再来した超巨⼤地震

(A 73-year interval of giant earthquakes)

DOI:

1. Takatsu Kosei (M1)

石灰化プランクトンによる海洋炭素循環の定量評価

(Quantitative Evaluation of the Marine Carbon Cycle by Calcifying Plankton)

Chaabane, S., de Garidel‐Thoron, T., Giraud, X., Meilland, J., Brummer, G. J. A., Jonkers, L., ... & Schiebel, R. (2024). Size normalizing planktonic Foraminifera abundance in the water column. Limnology and Oceanography: Methods, 22(10), 701-719

DOI: 10.1002/lom3.10637

Kruijt, A. L., van Dijk, R., Sulpis, O., Beaufort, L., Lassus, G., Brummer, G. J., ... & Middelburg, J. J. (2026). The contributions of various calcifying plankton to the South Atlantic calcium carbonate stock. Biogeosciences, 23(2), 531-563.

DOI: 10.5194/bg-23-531-2026

2. Takenawa Tomohiro (D1)

沈み込み帯の流体とは何か？状態・組成と地震活動との関連

(Subduction Zone Fluids: Phase, Composition, and Implications for Seismicity)

DOI: