Indonesia's Lewotobi active Laki Lai volcano spewed searing miles-high ash column into the skies over Flores island, 440 miles east of Bali, grounding flights serving the popular tourist island all across the region.

Indonesia is located on the Pacific Ring of Fire where volcanic activity and earthquakes are common. Find out more here.

A volcanic eruption in eastern Indonesia led to the cancellation of numerous flights to and from Bali, as authorities reported an ash tower reaching six miles high.