Tags: Global Volcanism Program
The Smithsonian Institution and United States Geological Survey Weekly Volcanic Activity Report has been issued for the week 25-31 May 2011. The report is compiled by Sally Kuhn Sennert. Notable volcanic events this week include:
- Dieng Volcanic Complex: evacuations following increase in gas emissions and seismic activity
- Grímsvötn: an eruption characterized by explosive activity and ash plumes, with limited ashfall
- Kilauea: the level of the Pu’u’O’o lava lake continued to fluctuate
- Taal: water temperature, acidity and water level all rose in Taal’s Main Crater Lake, and there was an increase in seismic activity
Click on the map for a larger version (1211 x 784 pixels).
The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 25-31 May 2011 is now available on the Global Volcanism Program website. The following is a summary and not a substitute for the full report.
- The current report: Weekly Volcanic Activity Report.
- Previous reports: Weekly Reports Archive.
- The SI/USGS map of volcanoes discussed this week.
New activity/unrest: Aso (Japan), Dieng Volcanic Complex (Indonesia), Grímsvötn (Iceland), Kliuchevskoi (Russia), Ulawan (Papua New Guinea).
Ongoing activity: Batu Tara (Indonesia), Karymsky (Russia), Kilauea (Hawaii, USA), Kizimen (Russia), Popocatépetl (Mexico), Poás (Costa Rica), Sakura-jima (Japan), Shiveluch (Russia), Taal (Philippines), Tungurahua (Ecuador).
Note: ‘a.s.l.’ = ‘above sea level’.