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Geofront Systems Engineering Lab
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A lab that investigates underground rock masses, ground, and groundwater to make good use of underground space.
AboutAbout the lab
Creating, protecting, and sustaining underground space.
The Geofront Systems Engineering Lab studies how to create, protect, and maintain underground space in an environmentally conscious way.
The lab investigates how the ground, rock masses, and groundwater, from the surface to deep underground, behave under forces and water, and also develops measurement technologies for this purpose.
It also studies geo-risk management, an approach to managing underground space that takes into account uncertainty in ground properties, societal demands, and costs.
The lab also works on research related to ground-related disasters, such as monitoring slope failures and tsunamis caused by submarine landslides.
Key terms
- Geofront
- Underground space as a new kind of space that can be used while protecting the urban and surface environment.
- Geo-risk management
- An approach to managing underground space that takes into account uncertainty in ground properties, societal demands, and costs.
- LPWA
- Low-power wide-area wireless communication, a method that reaches long distances with little power. It is used to collect data from sensors placed on slopes.
NewsLab news
A doctoral student received an Oral Presentation Award at IS-GURP 2026.
Three doctoral and master's students received Outstanding Paper Presenter Awards at the 61st Japan National Conference on Geotechnical Engineering.
ResearchResearch themes
The lab clarifies the mechanical and hydraulic properties of the ground, rock masses, and groundwater from the surface to deep underground, aiming at the environmentally conscious creation, conservation, and maintenance of underground space. In addition to laboratory experiments and numerical analysis, it works on building models that make use of AI.
*Illustrative imageModeling the Behavior of Underground Rock Masses
Understanding the long-term safety of underground rock masses is essential for geological disposal of radioactive waste, underground storage of CO2, and geothermal power generation. Through permeability tests, hydraulic fracturing experiments, and analyses that reproduce them, the lab builds models that predict changes in rock mass properties.
*Illustrative imageMonitoring Slope Failures with Wireless Networks
The lab studies a system that uses LPWA wireless communication to collect displacement data from sensors placed on slopes and displays it in real time in the cloud. It is also developing sensors that can be used on actual slopes and AI-based prediction models.
*Illustrative imageTsunamis Caused by Submarine Landslides
When an earthquake triggers a landslide on a seafloor slope, it can also generate a tsunami. Because submarine landslides are difficult to observe directly, the lab uses model experiments to clarify how the tsunami is generated and builds models to predict its magnitude.
*Illustrative imageFormulating the Properties of Various Geomaterials
The strength and deformation of the ground depend not only on the interaction among soil particles, water, and air, but also on temperature and chemical cementation. With subsurface resource development and underground CO2 storage in view, the lab captures coupled thermal, hydraulic, mechanical, and chemical phenomena and turns them into models.
MembersFaculty
The Geofront Systems Engineering Lab consists of faculty members, secretaries, postdoctoral researchers, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorHideaki Yasuhara
- Associate ProfessorHiromasa Iwai
- Assistant ProfessorIHSANI Zalfa Maulida
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Blue Spring Cavern Underground River Tour” Jim Vajda / CC BY 2.0 (cropped)
- Modeling the Behavior of Underground Rock Masses: “Test tunnel, Äspö laboratory, Oskarshamn” Jorchr / CC BY-SA 3.0 (cropped)
- Monitoring Slope Failures with Wireless Networks: “Goodell Landslide, North Cascades - 2003 (28c223c8-a42a-4b00-a72f-46343e5810ea)” NPS / Public domain (cropped)
- Tsunamis Caused by Submarine Landslides: “Mona Canyon” NOAA / Public domain (cropped)
- Formulating the Properties of Various Geomaterials: “Soil Scientist Nathan Haile examines soil condition in soil samples taken in the pasture. ( )” USDA NRCS Texas / Public domain (cropped)
- Related lab (Crustal Development Engineering Lab): “Hohlbohrkern” --Nightflyer 23:51, 27. Jun 2006 (CEST) / CC BY-SA 3.0 (cropped)
- Related lab (Hydrological Cycle Engineering Lab): “September 1988 Flood, Evacuations, Greymouth. CC321” John Charlton / CC BY-SA 4.0 (cropped)
- Related lab (Mineral Processing Lab): “Kitazawa flotation mineral processing field - panoramio” ccfarmer / CC BY 3.0 (cropped)
- Related lab (Applied Geophysics Lab): “Seismic Survey Party” Wsx2 / CC BY-SA 3.0 (cropped)
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