The fine grit has also traveled around the world via atmospheric winds, disrupting flights as far away as Australia and New Zealand. Regional airports in southern Argentina have also been shut down for more than a week due to the ash clouds, which can damage airplane engines, CNN reported.
However, the Chile-volcano eruptions seem to be simmering down, and on Sunday thousands of people in southern Chile were told they could return home.
Photograph by Luis Zabreg, European Pressphoto Agency
In the Thick of It
Divers with the Argentine Navy stand in the ash-choked Limay river in Bariloche on June 16. Argentine authorities have declared a state of emergency for farmers in the area, who are already coping with a long-running drought, according to BBC News.
(Related: "Volcano's Deadly Ash Harming Stranded Animals in Chile .")
Photograph by Chiwi Giambirtone, Reuters
Workers remove ash from Chile's Puyehue volcano from the roof of a restaurant in the southern Argentine city of Villa La Angostura on June 16. Volcanic eruptions are nothing new to Chile, which is part of the Pacific Ring of Fire, a geologically active region prone to earthquakes and eruptions.