Futoshi YAMASHITA (Ph.D.)

Chief Researcher
Earthquake and Tsunami Research Division | Earthquake Mechanics Laboratory
E-mail:

Research fields

Tectonophysics, Experimental seismology

Research topics

• Research on rock friction property with laboratory experiments
• Research on fault rupture process using large-scale rock sample
• Crustal structure survey using electromagnetic methods

Resesarch record

• Xu, S., Fukuyama, E., Yamashita, F., & Takizawa, S. (2019). Evolution of Fault-Interface Rayleigh Wave speed over simulated earthquake cycles in the lab: Observations, interpretations, and implications. Earth and Planetary Science Letters, 524, 115720. https://doi.org/10.1016/j.epsl.2019.115720
• Xu, S., Fukuyama, E., & Yamashita, F. (2019). Robust Estimation of Rupture Properties at Propagating Front of Laboratory Earthquakes. Journal of Geophysical Research: Solid Earth, 124(1), 766–787. https://doi.org/10.1029/2018JB016797
• Yamashita, F., Fukuyama, E., Xu, S., Mizoguchi, K., Kawakata, H., & Takizawa, S. (2018). Rupture preparation process controlled by surface roughness on meter-scale laboratory fault. Tectonophysics, 733, 193–208. https://doi.org/10.1016/j.tecto.2018.01.034
• Fukuyama, E., Tsuchida, K., Kawakata, H., Yamashita, F., Mizoguchi, K., & Xu, S. (2018). Spatiotemporal complexity of 2-D rupture nucleation process observed by direct monitoring during large-scale biaxial rock friction experiments. Tectonophysics, 733, 182–192. https://doi.org/10.1016/j.tecto.2017.12.023
• Xu, S., Fukuyama, E., Yamashita, F., Mizoguchi, K., Takizawa, S., & Kawakata, H. (2018). Strain rate effect on fault slip and rupture evolution: Insight from meter-scale rock friction experiments. Tectonophysics, 733, 209–231. https://doi.org/10.1016/j.tecto.2017.11.039
• Fukuyama, E., Yamashita, F., & Mizoguchi, K. (2018). Voids and Rock Friction at Subseismic Slip Velocity. Pure and Applied Geophysics, 175(2), 611–631. https://doi.org/10.1007/s00024-017-1728-2
• McLaskey, G. C., & Yamashita, F. (2017). Slow and fast ruptures on a laboratory fault controlled by loading characteristics. Journal of Geophysical Research: Solid Earth, 122(5), 3719–3738. https://doi.org/10.1002/2016JB013681
• Urata, Y., Yamashita, F., Fukuyama, E., Noda, H., & Mizoguchi, K. (2017). Apparent Dependence of Rate- and State-Dependent Friction Parameters on Loading Velocity and Cumulative Displacement Inferred from Large-Scale Biaxial Friction Experiments. Pure and Applied Geophysics, 174(6), 2217–2237. https://doi.org/10.1007/s00024-016-1422-9
• Fukuyama, E., Xu, S., Yamashita, F., & Mizoguchi, K. (2016). Cohesive zone length of metagabbro at supershear rupture velocity. Journal of Seismology, 20(4), 1207–1215. https://doi.org/10.1007/s10950-016-9588-2
• Yamashita, F., Fukuyama, E., Mizoguchi, K., Takizawa, S., Xu, S., & Kawakata, H. (2015). Scale dependence of rock friction at high work rate. Nature, 528(7581), 254–257. https://doi.org/10.1038/nature16138
• Togo, T., Shimamoto, T., Yamashita, F., Fukuyama, E., Mizoguchi, K., & Urata, Y. (2015). Stick–slip behavior of Indian gabbro as studied using a NIED large-scale biaxial friction apparatus. Earthquake Science, 28(2), 97–118. https://doi.org/10.1007/s11589-015-0113-4
• Yamashita, F., Fukuyama, E., & Mizoguchi, K. (2014). Probing the slip-weakening mechanism of earthquakes with electrical conductivity: Rapid transition from asperity contact to gouge comminution. Geophysical Research Letters, 41(2), 341–347. https://doi.org/10.1002/2013GL058671
• Yamashita, F., Mizoguchi, K., Fukuyama, E., & Omura, K. (2010). Reexamination of the present stress state of the Atera fault system, central Japan, based on the calibrated crustal stress data of hydraulic fracturing tests obtained by measuring the tensile strength of rocks. Journal of Geophysical Research, 115(B4), B04409. https://doi.org/10.1029/2009JB006287
• Yanagidani, T. & Yamashita, F., (2007). In situ detection of resistivity changes produced by pressurized water-injection at the active fault zone using the AC dipole-dipole method with the GPS synchronized phase sensitive-detection technique, Geodynamics of Atotsugawa Fault System, 181-186.
• Yamashita, F., Fukuyama, E., & Omura, K. (2004). Estimation of fault strength: reconstruction of stress before the 1995 Kobe earthquake. Science, 306(5694), 261–263. https://doi.org/10.1126/science.1101771

• Fukuyama, E., Mizoguchi, K., Yamashita, F., Togo, T., Kawakata, H., Yoshimitsu, N., … Sato, T. (2014). Large-scale Biaxial Friction Experiments Using a NIED Large-scale Shaking Table. Report of the National Research Institute for Earth Science and Disaster Prevention, 81(81), 15–35.
• Yamashita, F., T. Yanagidani, (2002). Development of a sensitive, robust earth-resistivity measurement system stable over long period to monitor subtle temporal change in stress in the Earth's crust, Seismogenic Process Monitoring -proceedings of 1999 Japan-Poland Joint Symposium on Mining and Experimental Seismology-, 399-410

• Yamashita, F., Fukuyama, E. and Xu, S., 2019, Foreshock activities controlled by slip rate on a 4-meter-long laboratory fault, International Joint Workshopon Slow Earthquakes 2019 , P5-03.
• Yamashita, F., Fukuyama, E. and Xu, S., 2019, Foreshock activities controlled by slip rate on a 4-meter-long laboratory fault, The 7th International Conference on Coupled THMC Processes, .
• Yamashita, F., Fukuyama, E. and Xu, S., 2019, Two types of foreshock activities observed on a meter-scale laboratory fault: Slow-slip-driven and cascade-up, The 7th International Conference on Coupled THMC Processes, .
• Yamashita, F., Fukuyama, E. and Xu, S., 2018, Characteristics of Foreshock Activities Preceding the Main Rupture Observed on a 4m-long Laboratory Fault, 10th ACES International Workshop, P06.
• Yamashita, F., Fukuyama, E., Xu, S., Kawakata, H., Mizoguchi, K., and Takizawa, S., 2017, Two types of foreshock activities observed on meter-scale laboratory faults: Slow-slip-driven and cascade-up, AGU Fall Meeting, S34B-07.
• Yamashita, F., Fukuyama, E., Xu, S., Kawakata, H., Mizoguchi, K., and Takizawa, S., 2016, Influence of fault surface conditions on foreshock activity in large-scale biaxial friction experiment, AGU Fall Meeting, S21B2698.
• Yamashita, F., Fukuyama, E., Xu, S., Mizoguchi, K., Takizawa, S., and Kawakata, H., 2015, Effect of fault surface evolution on slip behaviors in large-scale biaxial experiments, AGU Fall Meeting, T43C-3007.
• Yamashita, F., Fukuyama, E., Xu, S., Takizawa, S., Mizoguchi, K., Kawakata, H., Passelegue, F., and Schubnel, A., 2014, Spatial Heterogeneity Induces Scale Dependent Rock Friction, AGU Fall Meeting, T11D-4602.
• Yamashita, F., Fukuyama, E. and Mizoguchi, K., Takizawa, S., Kawakata, K., 2013, Velocity weakening of friction strength on meter-sized rock samples, AGU Fall Meeting, MR13A-2243.
• Yamashita, F., Fukuyama, E. and Mizoguchi, K., Togo, T., 2013, Influence of fault surface haracteristics on stress drop due to stick-slip events revealed by large-scale biaxial friction experiments, Te 6th International Symposium on In situ Rock Stress, 966-973.
• Yamashita, F., Fukuyama, E. and Mizoguchi, K., Togo, T., 2012, Influences of wear material, fault roughness and loading rate on stick-slip behavior revealed by large-scale biaxial friction experiments, AGU Fall Meeting, S21B-2500.
• Yamashita, F., Fukuyama, E. and Mizoguchi, K., 2011, Contact State Monitoring of Simulated Faults at Various Slip Rates by Electrical Conductivity Experiments, AGU Fall Meeting, T33F-2487.
• Yamashita, F. and Obara, K., 2009, Electromagnetic survey and monitoring to reveal the characteristics around tremor source area beneath Nankai subduction zone, AGU Fall Meeting, T11C-1836.
• Yamashita, F., Mizoguchi, K. and Fukuyama, E., Omura, K., 2008, Re-examination of the Present Stress State of the Atera Fault, Central Japan, Based on the Calibrated Crustal Stress Data of Hydraulic Fracturing Test by Measuring the Tensile Strength of Rocks, AGU Fall Meeting, T13A-1927.
• Yamashita, F., Kubo, T. and Yamada, R., Omura, K., 2005, Electrical Structure of the Shallow Part of the Atotsugawa Fault, Central Japan: Detecting en Echelon Structure in the Fault Zone, AGU Fall Meeting, S41B-0980.
• Yamashita, F., Fukuyama, E. and Omura, K., 2005, Extraporation of fault strength of the Nojima fault just before the 1995 Kobe earthquake, Hokudan 2005 International Symposium on Active Faulting, 19201.

• 2016 NIED award

Affiliated societies

• Society of Geomagnetism and Earth, Planetary and Space Sciences (SGEPSS)
• Seismological Society of Japan (SSJ)
• Japan Geoscience Union (JpGU)
• American Geophysical Union (AGU)