Guest Thinkers — September 1, 2010

SI/USGS Weekly Volcano Activity Report for 8/19-25/2009

The slow volcanic summer continues, but a few volcanoes continue to rumble, including Popocatépetl and Chaiten.

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The slow summer for volcanic eruptions continue. Only 11 updates in this week’s USGS/SI report. Thanks again to SI’s Sally Kuhn Sennert for compiling the news!

nnHighlights this week include (not including Kilauea) include:n

Tungurahua in Ecuador produced some minor lahars on August 21 to go with steam-and-gas emissions.

Popocatépetl in Mexico produced an ash plume that reached ~8.2 km / 27,000 feet on August 20 and continued to produce steam-and-ash plumes throughout the week following.

Over on the Kamchatka Peninsula, both Koryaksky and Shiveluch produced significant ash plumes (reaching 3-5 km / 10,000-15,000 feet) and seismicity remained elevated at both volcanoes.

Chaiten, Chile, remains active over 18 months since it started erupting in May of 2008. Steam-and-ash plumes continue to be produced from Domo Nuevo 1 and 2.

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