S01. Theory and Analysis Method S02. Seismometry and Monitoring System S03. Crustal Deformation, GNSS, Gravity S04. Tectonics S05. Geothermal Science S06. Crustal Structure S07. Deep Structure and Properties of the Earth and Planets S08. Earthquake Source Processes and Physics of Earthquakes S09. Statistical seismology and underlying physical processes S10. Active Faults, Historical Earthquakes S11. Various Phenomena Associated with Earthquakes S12. Rock Mechanics, Crustal Stress S14. Earthquake Prediction and Forecast S15. Strong Ground Motion and Earthquake Disaster S16. Subsurface Structure and Its Effect S17. Tsunami S18. Education and History of Seismology S19. Seismology General and Miscellaneous Contribution S20. Award Ceremony and Lecture

S21. Long-Period Ground Motion -Generation Mechanism and Structural & Social Response- S22. Potentiality of Machine Learning in Seismology S23. Open data for seismology S25. Panel discussion

S24. Off Yamagata Earthquake of 18 June 2019