Volcanoes are inherently complex and dynamic geological systems capable of generating and distributing vast volumes of sediment to surrounding environments, influencing the evolution of sedimentary systems during their lifetimes and beyond. These processes result in primary volcaniclastic deposits generated directly by volcanic mechanisms, such as pyroclastic density currents and tephra fallout, as well as a wide spectrum of secondary volcaniclastic and volcanic epiclastic deposits produced by the reworking and redeposition of eruption-fed material through lahars, debris avalanches, fluvial activity, and marine sedimentation.
These interactions operate across terrestrial and marine environments and over a wide range of spatial and temporal scales, shaping landscapes, sediment routing systems, and basin evolution. The resulting deposits and sedimentary successions preserve valuable records of volcanic activity, environmental change, and landscape response during eruptive and inter-eruptive periods. Understanding the origin, transport and emplacement mechanisms of these diverse deposits is therefore fundamental for accurately reconstructing accumulation histories in modern and ancient volcano-sedimentary systems, and for assessing future hazards and their potential economic and societal impacts.
This interdisciplinary session invites contributions addressing all aspects of volcano-sedimentary processes and their geological records, from field-based studies to experimental and numerical modelling approaches.