Seismic and infrasound observations are essential for monitoring and understanding volcanic systems, providing complementary constraints on subsurface dynamics, eruptive processes, and atmospheric interactions. However, the interpretation of these data is challenging: volcanic heterogeneity, steep topography, and atmospheric variability significantly distort both seismic and acoustic signals, while diverse source mechanisms—from magma migration to explosive eruptions—produce a wide range of waveforms that remain difficult to understand comprehensively. These complexities demand high-resolution imaging, advanced source inversion strategies, and integrated analyses that leverage both seismic and acoustic datasets.
This session invites contributions from researchers in volcano seismology, infrasound, and related fields, focusing on (i) seismicity and infrasound catalogues and their spatio-temporal evolution, (ii) wave propagation, scattering, and atmospheric effects, (iii) high-resolution imaging of volcanic structures, (iv) joint seismic–acoustic source inversions, and (v) time-lapse monitoring and forecasting. Studies on geothermal analogues, novel instrumentation, and emerging analysis methodologies (e.g., machine learning) are also welcome. By fostering cross-disciplinary dialogue between seismologists, acoustic specialists, and numerical modellers, this session aims to highlight recent advances and key challenges in characterizing volcanic processes and improving hazard assessment