a. Earthquake-related natural phenomena (ground motion, subsurface structure, subsurface site effects, tsunami, historical earthquakes, etc.)

• a-1 Source characteristics
  a-2 Subsurface structure
  a-3 Ground motion
  a-4 Soil liquefaction/slope failure
  a-5 Tsunamis and historical earthquakes
  a-6 Others
•  

b. Structures (seismic response, structural testing, seismic design, seismic isolation, damping, seismic retrofit, interactions, etc.)

• b-1 Underground structures, dams, and soil structures
  b-2 Piles and foundation structures
  b-3 Soil-structure-interaction
  b-4 Civil engineering structures
  b-5 Building structures
  b-6 Mechanical equipment
  b-7 Seismic isolation/damping/structural health monitoring
  b-8 Seismic reinforcement, new structures and materials
  b-9 Others
•  

c. Social issues (lifelines, disaster information, risk management, disaster prevention planning, recovery planning, etc.)

• c-1 Lifeline
  c-2 Emergency early warning/disaster information/remote sensing
  c-3 Disaster prevention planning/risk management and social/economic issues
  c-4 Recovery plan
  c-5 Multi-hazards, compound and cascading disasters, wide-area disasters, Covid19
  c-6 Others
•  

d.  Damage investigation and analysis, etc.

• d-1 Survey and analysis of the Kumamoto earthquake
  d-2 Investigation and analysis of recent earthquake damage
  d-3 Machine learning/IoT/DX
  d-4 Others
•  

Organized Sessions

No	Session Summary
OS-01	Let's move away from disaster acceptance in earthquake disaster prevention
OS-02	Seismic Safety, Vibration Control, and Response Prediction for Mechanical Systems
OS-03	Community Fault Models as a Foundation for Future Earthquake Hazard Studies
OS-04	Paradigm Shift in Disaster Prevention Measures for Increasingly Severe Compound Disasters in Aging Society with Declining Birth Rate
OS-05	10 Years After the 2016 Kumamoto Earthquake: Insights from Recovery and Reconstruction Toward Seismic Resilience
OS-06	Learned from Geotechnical damages Caused by the 2024 Noto Peninsula Earthquake
OS-07	Digital Twin for Earthquake Disasters
OS-08	New Developments in the Construction and Application of Ground Motion Models
OS-09	Anti-Catastrophe: Theory, Development, and Implementation
OS-10	Resilience of infrastructure and lifeline facilities against multi-hazards
OS-11	Integrating Tsunami Simulation with Practical Design: Challenges in Implementing Tsunami Load Assessment
OS-12	What Should Earthquake Engineers Address in Light of Scenario-Based Damage Assessments for Large Earthquakes?
OS-13	Distributed Optical Fiber Sensing in Earthquake Engineering and Seismic Resilience
OS-14	Achievements and Future Prospects of SIP Disaster Prevention Initiatives Leveraging Digital Technologies
OS-15	Current research and perspectives on seismic performance evaluation of structures based on diverse digital data utilization
OS-16	Ground motion research based on lessons from recent destructive earthquakes: From horizontally layered structure to irregular ground structure
OS-17	Perspectives on the Kumamoto Earthquake from Students at the Time of the Disaster and Its Influence on the Development of Earthquake Engineering Research
OS-18	Advancing Local Disaster Preparedness After Mega-Earthquake－Emergency Restoration Challenges for Local Governments and Contractors－
OS-19	Social Collaboration to Fill the Reduction of Public Support: Toward the Creation and Promotion of Disaster Risk Reduction Businesses
OS-20	Earthquake Engineering Frontiers: An International Forum without Borders
OS-21	Emergency session on the 2026 Kumamoto Earthquake