9-9-9-9-9-9-9-9-9-9-9-9-9 From: "Ogburn, Sarah E" <sogburn@xxxxxxxx> *Dear colleagues,* *As the deadline for abstract submissions approaches on 2 September, we invite you to our IAVCEI 2023 session:* *Identifying analog volcanoes, unrest, and eruptions for comparison and forecasting* When faced with questions about future eruptive activity at a particular volcano, volcanologists often seek out analogous volcanoes or similar patterns of past unrest for comparison and inference. Analog sets of volcanoes or eruptions can be especially helpful when dealing with data poor volcanoes. However, identifying the most appropriate sets of potential analogs remains a significant challenge. There is no â??one size fits allâ?? approach for identifying analogs because: (1) the physical-chemical processes that justify the volcano analogy can have very varied scales in time and space (e.g. magma generation/differentiation versus fragmentation); (2) different types of analogs may be required depending on the target (e.g. volcano, unrest episode, or eruption) and purpose of the analog analysis. For example, questions about the potential size of future eruptions may require analog sets of volcanoes with similar morphologies, chemistries, and eruptive behavior; whereas, questions about lahar hazard might require analog sets of volcanoes with similar climates, snow and ice cover, and slope topography. Finally, the data sources used to identify the analog sets may also be diverse: global databases of volcanoes, unrest, and eruptions; local monitoring data; expert knowledge; and other datasets. This session seeks contributions that explore ways in which to identify analog sets of volcanoes and their patterns of unrest or eruption; that consider the diversity of parameters that could be used for analog identification; and that investigate the appropriateness of analog sets. Hope to see you there, Sarah Ogburn, Pablo Tierz, Christina Widiwijayanti, Laura Sandri, Mark Bebbington, Thomas Sheldrake 9-9-9-9-9-9-9-9-9-9-9-9-9 ------------------------------
