Posted October 2, 2025 · Submitted by Mei Tanaka, Kyoto University
Forecasting eruptions at persistently active volcanoes requires robust links between surface deformation and subsurface magmatic processes. We analyse a multi-year interferometric synthetic-aperture radar time series spanning two eruptive episodes at an active stratovolcano. Subtle pre-eruptive inflation localises a shallow magma storage region, while co-eruptive subsidence constrains erupted volumes. The reproducibility of these signals indicates that deformation monitoring can provide several weeks of advance warning at comparable systems.
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Mei Tanaka, Henrik Vasquez (2025). Pre-Eruptive Deformation Patterns Detected by InSAR at a Persistently Active Stratovolcano. TerraNova preprint.
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