Mount Sinabung spews volcanic materials into the sky in Karo, North Sumatra, Indonesia, Monday, Aug. 30, 2010. The volcano that had been dormant for more than four centuries erupted for the second day in a row Monday, spewing out towering clouds of ash and forcing the evacuation of more than 21,000 people. (AP Photo/Roone Patikawa) By BINSAR BAKKARA Associated Press Writer TANAH KARO, Indonesia... 

August 20th, 2010 As of the 20th of August, IG reported that the volcano shows low seismic activity and with decreasing trend. The zone of the volcano was. The observed emission are characterized only with of white steam. The IG reported that during 28 July-2 August steam emissions rose from Tungurahua’s crater. On most days steam plumes with minor ash content... 

Although there is no way ground-based monitoring can be carried out on all volcanoes across the globe, space-based monitoring helps identify the volcanoes presenting the greatest danger. Satellite radar, such as that aboard ESA’s Envisat and ERS-2 satellites, allows scientists to track small changes in the Earth’s movement and improves their ability to predict volcanic eruptions. To boost...