The two eruptions occur within 10 minutes of one another . An Indonesian volcano erupted twice Monday , spewing thick ash clouds a day after the number of evacuees rose to 5,200 . A volcano is a place where magma rises from the earth and cools, forming an explosive mixture that can erupt in many different ways. Indonesia is located on `` The Ring of Fire ''
The two eruptions occur within 10 minutes of one another . A volcano is a place where magma rises from the earth and cools, forming an explosive mixture that can erupt in many different ways. Indonesia is located on `` The Ring of Fire ''