Infrasound Array Analysis of Rapid Mass Movements in Mountain Regions

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Contribution to Books

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Rapid gravity-driven mass movements (RGMMs), such as rock-falls, snow avalanches, glacier break-off events, debris flows, lahars and pyroclastic density currents are among the most hazardous phenomena occurring in mountain environments. In the last decades monitoring solutions based on the remote detections of the seismic and acoustic signals radiated by the flow have been developed and adopted, and have shown to provide an important, low-cost, and relatively straightforward complement to in situ measurements. Here we present a review of recent infrasound observations of the various types of RGMMs highlighting the capabilities and limits of infrasound array detections with applications for both research and monitoring.