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Urban Information and Safety Systems Lab
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The lab studies disaster-resilient cities and regions through surveys and simulations.

AboutAbout the lab
Uncovering hidden urban risks to build safer cities
The Urban Information and Safety Systems Lab conducts research on creating desirable cities and regions from the perspective of safety and security.
Drawing on a wide range of available methods, including social surveys, mathematical approaches, consensus building, and information technology, the lab looks for hidden risks in cities.
Based on a thorough understanding of human behavior, the lab proposes mechanisms for realizing desirable cities.
The lab also collaborates with the Kato Lab at the Institute of Industrial Science.
Key terms
- Consensus building
- The process in which people with different positions and opinions talk with one another and work toward a conclusion that everyone can accept
- Tsunami fire
- A fire in which oil swept away by a tsunami, or debris floating on the water, catches fire and spreads
- Big data
- Data collected from a variety of devices and services that is large in volume and diverse in type
NewsLab news
A student received the Excellent Presentation Award at the 30th Annual Conference of the Japan Society for Disaster Information Studies
A student received the Excellent Presentation Award at the 28th Annual Conference of the Japan Society for Disaster Information Studies
A master's student received the Excellent Presentation Award at the Research Presentation Meeting of the Institute of Social Safety Science
ResearchResearch themes
What should the goal of urban "safety" be, who should evaluate it and how, and how can it be achieved while balancing convenience and comfort? From the standpoint of urban planning, the lab studies institutional design and planning approaches that offer clues to these questions, using a variety of methods such as disaster surveys, questionnaires, and simulations.
*Illustrative imageEvacuation from Large Cities
The lab studies evacuation during major disasters in large cities, where people and buildings are highly concentrated, from both the soft (non-structural) and hard (structural) sides. Using simulations that combine movement across the entire metropolitan area with local evacuation, the lab visualizes problems such as congestion.
*Illustrative imagePost-Earthquake Fires and Tsunami Fires
The lab investigates the actual situation of fires that occur after major earthquakes and fires caused by tsunamis, using questionnaires sent to fire departments and on-site surveys, and clarifies the number of fires and how they start.
*Illustrative imageDamage Prediction for Unprecedented Disasters
Without relying only on past experience, the lab is developing simulations that predict the damage of disasters not yet experienced, by processing and interpreting a wide variety of big data using mathematical methods.
MembersFaculty
The members of the Urban Information and Safety Systems Lab consist of faculty, education and research support staff, secretaries, and doctoral and master's students.As of 2024
- ProfessorHiroi UPublications ↗
- Project LecturerKensuke Otsuyama
- Assistant ProfessorSaki Yotsui
VoicesStudent voices
Compiled from answers by students who were in the lab. Ratings and reviews reflect individual students' experiences, not the lab's official views.
Students who take part in an interview may receive a thank-you gift worth ¥1,000, regardless of what they say.
On a 4-point scale, ● marks where students' answers fall
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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: “Fire of Great Hanshin earthquake Seen from Portisland” 神戸市 / CC BY 2.1 jp (cropped)
- Evacuation from Large Cities: “Tokyo Tower, Minato City” David Kernan / CC BY 4.0 (cropped)
- Post-Earthquake Fires and Tsunami Fires: “Wajima morning market ) as” Araisyohei / CC BY-SA 4.0 (cropped)
- Damage Prediction for Unprecedented Disasters: “Houses destroyed by 2016 Kumamoto Earthquake in Mashiki, Kumamoto, Japan” Minoru Ichinose / CC BY-SA 4.0 (cropped)
- Related lab (加藤孝明研究室): “Looking roughly east from Tokyo Metropolitan Government Office Building South Tower )” Joe Mabel on Flickr as Joe Mabel from Seattle, US This photo was taken with Nikon D5000 / CC BY-SA 3.0 (cropped)
- Related lab (都市
デザイン研究室): “Honcho Street with Mount Fuji in the daytime, Fujiyoshida, 2016” DimiTalen / CC0 (cropped) - Related lab (まちづくり研究室(小泉秀樹研究室/Collaborative Community Design Lab)): “Narai-juku-facing-north-east-2019-Luka-Peternel” Luka Peternel / CC BY-SA 4.0 (cropped)
- Related lab (都市計画研究室): “JP-Tokyo-Area-Taken-From-Airplane” Kanchi1979 / CC BY-SA 4.0 (cropped)
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