Which volcano, on the island of Sumatra, erupted in 2010 after a 400 year dormancy and has erupted every year from 2013 to 2019 including frequent volcanic earthquakes?
The ans is - Mount Sinabung
Ash from what volcano, when it erupted in June 2011, grounded flights in Chile, Bolivia, Argentina, Uruguay and Paraguay and disrupted air traffic over Australia and New Zealand?