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The Sciences

USGS/SI Weekly Volcanic Activity Report for May 12-18, 2010

Rocky PlanetBy Erik KlemettiMay 20, 2010 9:18 AM

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The latest Weekly Volcanic Activity Report from our friends at the Smithsonian Global Volcanism Program and the USGS.

Highlights (not including Eyjafjallajökull - you can check the latest IMO update on that eruption and the latest VAAC ash advisories.):

  • Villarrica in Chile was raised from Alert Level 1 to 2 by the Chilean SERNAGEOMIN after an increase in seismicity, a rise in the lava lake levels at the summit and more vigorous fumarolic activity.

  • In the first update in a while, a small ash plume was noticed at Chaiten in Chile, rising to ~1.8 km (8,000 feet) from the new domes.

  • Karymsky in Russia continues to produce ash plumes that reach as high as 4.6 km (15,000 feet) along with a thermal anomaly at the summit for several days.

  • Costa Rica's Turrialba continues to emit volcanic gases from the fissures that opened at the beginning of 2010.

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