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Themes are the seven broad umbrellas under which we organize the hundreds of big ideas that populate Big Think. They include New World Order, Earth and Beyond, 21st Century Living, Going Mental, Extreme Biology, Power and Influence, and Inventing the Future.

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SI/USGS Weekly Volcano Activity Report for 9/16-9/22/2009

September 23, 2009, 10:49 AM

I missed the weekly report last week (sorry), but here is the new USGS/SI volcano activity report.

Highlights include:
  • Shiveluch in Kamchatka is still erupting away, producing ~7 km / 20,000 foot ash columns as the lava dome grows. There has also been pyroclastic flows spotted emanating from the new lava dome.
  • There was a report of a ~7.5 km / 25,000 foot ash-and-steam plume from El Reventador in Ecuador.
  • More small plumes and incandescent lava bombs were spotted at the Tavurvur Crater at Rabaul in Papau New Guinea
 

SI/USGS Weekly Volcano Acti...

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