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SI/USGS Weekly Volcano Activity Report for 5/13-19/2009

Your weekly volcano update with news from Papua New Guinea, Japan, under the Pacific Ocean and Alaska.
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A week’s worth of volcano news in one sitting, thanks to the USGS and Smithsonian Inst.’s Global Volcanism Program.

Thanks again, Sally Kuhn Sennert for putting it together!

This week’s highlights include:

  • Small ash column spotted at Manam, Papua New Guinea. We talked about Manam not too long ago.
  • More details of the ongoing submarine eruption at West Mata in the Mariana Islands.
  • The lava dome continues to grow on Redoubt, Alaska with no real collapse yet.
  • Pilots spotted small (2.1 km / 7,000 foot) steam/ash plumes at Suwanosejima, Japan.
  • 5-6 km / 18-25,000 foot ash plumes were produced by Ubinas in Peru.
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