If Chaiten, Llaima and Puyehue weren't enough, the Chilean Regional Emergency Office is placing seismometers on Peteroa volcano after its shown signs of increasing activity. The volcano is located out on the border with Chile and Argentina and has a number of glaciers that start from the edifice. Looking at the eruptive history of Peteroa, it seems that it has spasms every 30 years or so, although the last known eruption was ~10 years ago. The eruptions are mostly phreatic explosions (related to magma-water interaction) and the last known eruption that produced significant lava, ash and lahars was in 1837 (along with another in 1762).
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Back in the days when Eruptions was on Wordpress, I held a vote about what volcano should be the next to be profiled on this blog. The winner was Mt. Hood in Oregon, and after much waiting, the profile is here. I will actually be out of town until Monday doing some house shopping in this little…
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Chaiten erupting in May 2008. Image courtesy of ONEMI.
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