Despite recognition as one of the greatest volcanic hazards in the southwestern United States, many aspects of the post-caldera history of Valles caldera are poorly constrained. This study provides 49 new high-precision 40AR/39AR sanidine ages and surface volume estimations to r…
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The ∼74 ka eruption of the Youngest Toba Tuff in Sumatra, Indonesia, was one of the largest single volcanic eruptions in geologic history. The compositional and thermal evolution of the magma reservoir prior to eruption was investigated through spatially-sensitive analyses of th…
The spatial and temporal coverage of geodetic data sets such as Interferometric Synthetic Aperture Radar (InSAR) and Global Positioning System (GPS) is increasing to the point where we can constrain many aspects of the deformation associated with earthquakes and volcanic eruptio…