🧩 The activity history of secondary faults contributes to improving the precision of the main fault's activity history.
🔗 Read more: seismica.library.mcgill.ca/article/view... @daisukeishimura.bsky.social
Congrats Masuda-san!
This study used our app "Rgrains (github.com/keitaroyamad... for measurement Roundness of gravel particles in tsunami deposits!
Our new paper is out!
Ishimura, D., Takahashi, N.O., Tsutsumi, H., Homma, S., Mukoyama, S., Ichihara, T. (2026) Paleoseismic trenching on slip-partitioned surface ruptures associated with the 2016 Kumamoto earthquake. Seismica.
seismica.library.mcgill.ca/article/view...
I've been awarded the SSA's Outstanding Reviewer Award for 2025.
www.seismosoc.org/news/ssa-ann...
Blusky始めました。
I started Bluesky.
Paleoseismology of the Zougahana Fault, Northern Aso Outer Rim, and Its Role in the Tectonics of Northern Kyushu
Komura et al. doi.org/10.1785/0120...
Our paper is out!
Taya, A., T. Takahashi, D. Ishimura, and M. Yamada. 2026. “Suitable Grain Size for Distinguishing Mainstem and Tributary Gravelly Deposits in Riverbeds and Terraces Using Roundness Image Analysis.” Island Arc35, no. 1: e70051. doi.org/10.1111/iar.....
Formation process of the gravel‐dominated deposit from the 2011 Tohoku‐oki tsunami in Ofunato, northeastern Japan, inferred by integrating sedimentology and tsunami modelling - Masuda - Sedimentology - Wiley Online Library onlinelibrary.wiley.com/doi/10.1111/...
Surface ruptures appear over a wide area in addition to the primary fault during a Large earthquake like the 2016 Kumamoto earthquake. Although the displacement of such distributed surface ruptures is...