4-4-4-4-4-4-4-4-4-4-4-4-4 From: MAURIZIO MULAS <mmulas@xxxxxxxxxxxx> Dear all the submission for the next Cities on Volcanoes 12 that will be in Antigua, Guatemala, between 11 -17 February 2024 are open. The deadline Abstract Submission is 6 October 2023 Your abstract submission is welcome to the session: 405 "Deciphering magmatic processes and eruptive triggering at open conduit volcanoes: multidisciplinary approaches for hazard assessment and risk mitigation" The determination of parameters controlling the temporal development of volcanic processes is crucial for monitoring and emergency response. Persistently active volcanoes offer a rich opportunity to build understanding of volcanic and magmatic processes, hazards and risk. This thematic session is inspired by our insufficient awareness of how open-conduit volcanoes can produce unexpected energetic eruptions driven by pre- to syn-eruptive magmatic processes that occur during storage and/or ascent towards the surface. These frequent volcanic crises require effective monitoring, communication, sometime evacuations, and established roles and relationships between government institutions, communities and other actors. We currently know little about the conduit conditions that move volcanic systems from a steady-state, typically characterized by effusive and/or weak Strombolian activity, to energetic eruptions as in the case of Etna and Stromboli (Italy), Santiaguito and Volcán de Fuego (Guatemala), Reventador and Sangay (Ecuador). This lack of knowledge is related to incompletely understood spatial-temporal dynamics of magma movements in the crust and relative feedbacks among the different processes. Illuminating these volcanic phenomena implies building understanding of the chemical and physical processes preceding and accompanying these energetic eruptions, including magma ascent, and plugging or sealing of the conduit, through the interpretation of geochemical and geophysical monitoring signals, field and experimental data. We invite contributions in the fields of physical volcanology, geochemistry, petrology and geophysics, especially interdisciplinary studies, aimed at providing updated working models for open conduit, persistently active volcanoes worldwide. The primary goal of the session is to share models and ideas offering new elements for volcanic hazard assessment, in order to improve monitoring, management of volcanic crises, and the development of risk mitigation plans for people and infrastructure." Hoping to see in Antigua Maurizio Mulas, Matthew Watson, Marco Viccaro, Amelia Bain, Mario Ruiz, Andrew Bell, Roberto Mérida 4-4-4-4-4-4-4-4-4-4-4-4-4 ------------------------------
