Fluid Processes & Earthquake Occurrence

Swarm activity and large earthquakes, fluid migration after the 2011 M9 Tohoku earthquake, and the 2024 Noto Peninsula earthquake.

• Sato, D. S. K., K. Yoshida, 2026, Diffusional earthquakes and their slip-distance scaling, Communications Earth & Environment. https://doi.org/10.1038/s43247-026-04043-4
• Takagi, R., Yoshida, K., T. Okada, 2025, Rupture of solidified ancient magma that impeded preceding swarm migrations led to the 2024 Noto earthquake, Science Advances, 11(42), eadv5938. https://doi.org/10.1126/sciadv.adv5938
• Suzuki, R., N. Uchida, W. Zhu, G. C. Beroza, T. Nakayama, K. Yoshida, G. Toyokuni, R. Takagi, R. Azuma, A. Hasegawa, 2025, The forearc seismic belt: A fluid pathway constraining down-dip megathrust earthquake rupture, Science, 389(6756), 190–194. https://doi.org/10.1126/science.adt6389
• Orimo, M., Yoshida, K., T. Matsuzawa, A. Hasegawa, M. Yamamoto, 2026, Different Radiation Characteristics Between Foreshocks and Aftershocks of the 2016 Mw 7.0 Kumamoto Earthquake in Kyushu, Japan: Implication of Pore Pressure, Stress Concentration, and Loading Rate, Journal of Geophysical Research: Solid Earth, 131, e2025JB032201. https://doi.org/10.1029/2025JB032201
• Yoshida, K., R. Takagi, Y. Fukushima, R. Ando, Y. Ohta, Y. Hiramatsu, 2024, Role of a Hidden Fault in the Early Process of the 2024 Mw 7.5 Noto Peninsula Earthquake, Geophysical Research Letters, 51(16), e2024GL110993. https://doi.org/10.1029/2024GL110993
• Okada, T., M. K. Savage, S. Sakai, Yoshida, K., N. Uchida, R. Takagi, S. Kimura, S. Hirahara, A. Tagami, R. Fujimura, T. Matsuzawa, E. Kurashimo, Y. Hiramatsu, 2024, Shear wave splitting and seismic velocity structure in the focal area of the earthquake swarm and their relation with earthquake swarm activity in the Noto Peninsula, central Japan, Earth, Planets and Space, 76(24). https://doi.org/10.1186/s40623-024-01974-0
• Yoshida, K., N. Uchida, Y. Matsumoto, M. Orimo, T. Okada, S. Hirahara, S. Kimura, R. Hino, 2023, Updip Fluid Flow in the Crust of the Northeastern Noto Peninsula, Japan, Triggered the 2023 Mw 6.2 Suzu Earthquake During Swarm Activity, Geophysical Research Letters, 50(21), e2023GL106023. https://doi.org/10.1029/2023GL106023
• Yoshida, K., M. Uno, T. Matsuzawa, Y. Yukutake, Y. Mukuhira, H. Sato, T. Yoshida, 2023, Upward Earthquake Swarm Migration in the Northeastern Noto Peninsula, Japan, Initiated From a Deep Ring-Shaped Cluster: Possibility of Fluid Leakage From a Hidden Magma System, Journal of Geophysical Research: Solid Earth, 128(6), e2022JB026047. https://doi.org/10.1029/2022JB026047
• Mukuhira, Y., M. Uno, K. Yoshida, 2022, Slab-derived fluid storage in the crust elucidated by earthquake swarm, Communications Earth & Environment, 3(1). https://doi.org/10.1038/s43247-022-00610-7
• Yukutake, Y., Yoshida, K., R. Honda, 2022, Interaction Between Aseismic Slip and Fluid Invasion in Earthquake Swarms Revealed by Dense Geodetic and Seismic Observations, Journal of Geophysical Research: Solid Earth, 127(4). https://doi.org/10.1029/2021jb022933
• Yoshida, K., H. Noda, M. Nakatani, B. Shibazaki, 2021, Backward earthquake ruptures far ahead of fluid invasion: Insights from dynamic earthquake-sequence simulations, Tectonophysics, 816, 229038. https://doi.org/10.1016/j.tecto.2021.229038
• Yoshida, K., 2021, Studies about the Impacts of Upward Fluid Migration on the Earthquake Occurrence: Constraints from Seismicity Triggered by the 2011 Tohoku-Oki Earthquake, Zisin 2, 74, 95–116. https://doi.org/10.4294/zisin.2020-20
• Matsumoto, Y., Yoshida, K., T. Matsuzawa, A. Hasegawa, 2021, Fault-valve behavior estimated from intensive foreshocks and aftershocks of the 2017 M 5.3 Kagoshima Bay earthquake sequence, Kyushu, southern Japan, Journal of Geophysical Research: Solid Earth, 126(5), e2020JB020278. https://doi.org/10.1029/2020JB020278
• Wang, Q. Y., M. Campillo, F. Brenguier, A. Lecointre, T. Takeda, Yoshida, K., 2021, Seismic evidence of fluid migration in northeastern Japan after the 2011 Tohoku-Oki earthquake, Earth and Planetary Science Letters, 563, 116894. https://doi.org/10.1016/j.epsl.2021.116894
• Yoshida, K., 2021, Detection of temporal change in near-source attenuation during intense fluid-driven seismicity following the 2011 Tohoku-Oki earthquake, Geophysical Journal International, 224(1), 138–150. https://doi.org/10.1093/gji/ggaa421
• Yoshida, K., T. Matsuzawa, 2020, Heterogeneity in stress field in NE Japan and its implication for the fault strength and the earthquake occurrence mechanism, Journal of Geography (Chigaku Zasshi), 129(4), 451–471. https://doi.org/10.5026/jgeography.129.451
• Yoshida, K., A. Hasegawa, S. Noguchi, K. Kasahara, 2020, Low-frequency earthquakes observed in close vicinity of repeating earthquakes in the brittle upper crust of Hakodate, Hokkaido, northern Japan, Geophysical Journal International, 220(1), 793–802. https://doi.org/10.1093/gji/ggaa418
• Yoshida, K., N. Uchida, S. Hirahara, T. Nakayama, T. Matsuzawa, T. Okada, Y. Matsumoto, A. Hasegawa, 2020, 2019 M6.7 Yamagata-Oki earthquake in the stress shadow of 2011 Tohoku-Oki earthquake: Was it caused by the reduction in fault strength?, Tectonophysics, 793, 228609. https://doi.org/10.1016/j.tecto.2020.228609
• Yoshida, K., T. Taira, Y. Matsumoto, T. Saito, K. Emoto, T. Matsuzawa, 2020, Stress Release Process Along an Intraplate Fault Analogous to the Plate Boundary: A Case Study of the 2017 M 5.2 Akita-Daisen Earthquake, NE Japan, Journal of Geophysical Research: Solid Earth, 125(5), e2020JB019527. https://doi.org/10.1029/2020JB019527
• Yoshida, K., T. Saito, K. Emoto, Y. Urata, D. Sato, 2019, Rupture directivity, stress drop, and hypocenter migration of small- and moderate-sized earthquakes in the Yamagata-Fukushima border swarm triggered by upward pore-pressure migration after the 2011 Tohoku-Oki earthquake, Tectonophysics, 769. https://doi.org/10.1016/j.tecto.2019.228184
• Yoshida, K., A. Hasegawa, T. Yoshida, T. Matsuzawa, 2019, Heterogeneities in stress and strength in Tohoku and its relationship with earthquake sequences triggered by the 2011 M9 Tohoku-Oki earthquake, Pure and Applied Geophysics, 176(3), 1335–1355. https://doi.org/10.1007/s00024-018-2073-9
• Yoshida, K., A. Hasegawa, 2018, Hypocenter Migration and Seismicity Pattern Change in the Yamagata-Fukushima Border, NE Japan, Caused by Fluid Movement and Pore Pressure Variation, Journal of Geophysical Research: Solid Earth, 123(6), 5000–5017. https://doi.org/10.1029/2018JB015468
• Yoshida, K., A. Hasegawa, 2018, Sendai-Okura earthquake swarm induced by the 2011 Tohoku-Oki earthquake in the stress shadow of NE Japan: Detailed fault structure and hypocenter migration, Tectonophysics, 733, 132–147. https://doi.org/10.1016/j.tecto.2017.12.031
• Yoshida, K., T. Saito, Y. Urata, Y. Asano, A. Hasegawa, 2017, Temporal changes in stress drop, frictional strength, and earthquake size distribution in the 2011 Yamagata-Fukushima, NE Japan, earthquake swarm, caused by fluid migration, Journal of Geophysical Research: Solid Earth, 122(12), 10,379–10,397. https://doi.org/10.1002/2017JB014334
• Yoshida, K., A. Hasegawa, T. Yoshida, 2016, Temporal variation of frictional strength in an earthquake swarm in NE Japan caused by fluid migration, Journal of Geophysical Research: Solid Earth, 121, 4047–4063. https://doi.org/10.1002/2016JB013022
• Okada, T., T. Matsuzawa, N. Umino, K. Yoshida, A. Hasegawa, H. Takahashi, T. Yamada, M. Kosuga, T. Takeda, A. Kato, T. Igarashi, K. Obara, S. Sakai, A. Saiga, T. Iidaka, T. Iwasaki, N. Hirata, N. Tsumura, Y. Yamanaka, T. Terakawa, H. Nakamichi, T. Okuda, S. Horikawa, H. Katao, T. Miura, A. Kubo, T. Matsushima, K. Goto, H. Miyamachi, 2015, Hypocenter migration and crustal seismic velocity distribution observed for the inland earthquake swarms induced by the 2011 Tohoku-Oki earthquake in NE Japan: Implications for crustal fluid distribution and crustal permeability, Geofluids, 15, 293–309. https://doi.org/10.1111/gfl.12112
• Yoshida, K., A. Hasegawa, T. Okada, H. Takahashi, M. Kosuga, T. Iwasaki, Y. Yamanaka, H. Katao, Y. Iio, A. Kubo, T. Matsushima, H. Miyamachi, Y. Asano, 2014, Pore pressure distribution in the focal region of the 2008 M7.2 Iwate-Miyagi Nairiku earthquake, Earth, Planets and Space, 66, 59. https://doi.org/10.1186/1880-5981-66-59
• Nakajima, J., K. Yoshida, A. Hasegawa, 2013, An intraslab seismic sequence activated by the Tohoku-oki earthquake: Evidence for fluid-related embrittlement, Journal of Geophysical Research: Solid Earth, 118, 3492–3505. https://doi.org/10.1002/jgrb.50246

← Back to full publication list