| V | Volcanology and Geochemistry | GS-V1 | General Geochemistry |
| GS-V2 | Volcanology |
| GS-V3 | Environmental Geochemistry |
| GS-V4 | Lithotectonic Interaction between Crust and Mantle |
| GS-V5 | Taiwan-Japan Joint Session-Frontiers in Geochemistry and Geology |
| GS-V6 | From Volcanic Eruption to Geothermal Development: Spatiotemporal Evolution Characteristics, Potential and Risks of Tatun Volcanic Activity |
| ST | Stratigraphy | GS-ST1 | Stratigraphy and Paleontology |
| GS-ST2 | Quaternary Geology and Archaeogeology |
| GS-ST3 | 15th TAI-QUA and 1st SEA-QUA - Anthropocene Environment and Climate Changes |
| GS-ST4 | 15th TAI-QUA and 1st SEA-QUA - Terrestrial Records |
| GS-ST5 | 15th TAI-QUA and 1st SEA-QUA - Marine Records |
| S | Seismology | GS-S1 | General Seismology |
| GS-S2 | Engineering Seismology |
| GS-S3 | Environmental and Ambient Noise Seismology |
| GS-S4 | Observational Seismology |
| GS-S5 | Research Progress on the Hualien Earthquake on 3rd Apr. 2024 |
| GS-S6 | 2025 Dapu Earthquake Special |
| GC | Global Change | GS-GC1 | Global Change |
| GS-GC2 | Observations of Land-Sea Interactions under Climate Change |
| EM | Earth Materials | GS-EM1 | Mineralogy and Petrology |
| GS-EM2 | Mineral and Petro-Physics |
| GM | Geomorphology | GS-GM | Geomorphology / Geological Landscape |
| TT | Tectonics and Tectonophysics | GS-TT1 | Earthquake Geology and Neotectonics |
| GS-TT2 | Geological Structure and Environmental Change in Taiwan |
| O | Marine Geology and Geophysics | OCGS-MG | Marine Geology and Geophysics |
| NH | Natural Hazards | GS-NH1 | Landslide and Debris Flow |
| GS-NH2 | Seismic Hazard / General Geologic Hazard |
| GP | Geophysics | GS-GP1 | Geophysics, Geophysical Investigation and Environmental Geophysics / Artificial Intelligence Applications in Geophysics |
| GS-GP2 | Engineering and Environmental Geophysics and Memorial Symposium for Prof. Yang |
| B | Biogeosciences | GS-B | Biogeosciences |
| GT | Geoscience Technology | GS-GT | Geoscience Technology |
| G | Geodesy | GDGS-EO | Geodesy and Crustal Deformation / Remote Sensing |
| ER | Energy and Resource | GS-ER | Survey of Geothermal Energy, Carbon Storage, Geological Disposal Sites |
| EG | Engineering Geology | GS-EG | Hydrogeology and Engineering Geology |
| SG | Social Geology | GS-SG1 | Geosicence for Culture Heritage Conservation |
| GS-SG2 | Geoconservation: a bridge between geoscience and social engagement |
| M | Multidisciplinary Theme | GS-M1 | Multidimensional Geophysical and Geochemical Observations for Earthquake Generation Process |
| GS-M2 | Source Physics of Slow-to-Fast Earthquake |
| GS-M3 | Advances in Distributed Acoustic Sensing Technology for Geological Hazards, Energy Development, and Environmental Monitoring |