Dust My Pumice: a Puyehue Update

In its weekly update, the Smithsonian Institution’s Global Volcanism Program has given the most succinct summary yet of the eruption at Chile’s Puyehue-Cordón Caulle Volcanic Complex, which began on Saturday and continues, with changing winds, to blow ash and pumice into Argentina even over Buenos Aires and into the Atlantic Ocean. The striking NASA photograph below shows the plume from the