Indonesia's Mount Sinaburg had a major eruption on Monday, blowing the mountain's summit clear off. Indonesia's Center for Volcanology and Geological Hazard Mitigation said the volcano's peak was "completely annilhiated" in the blast.

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The volcano, which is located on Sumatra, has been active since 2010 after centuries of dormancy, but Monday's eruption is said to be one of its largest, sending a plume of ash more than 3 miles into the air. 

(MORE: Eruption Blasts Summit Off Indonesia's Mount Sinaburg Volcano)

Indonesia raised flight warnings around the Mount Sinaburg on Tuesday after the volcano's ash darkened the sky, according to The Guardian. The Volcano Observatory Notice for Aviation was raised to its highest warning.

Mount Sinaburg is one of 120 active volcanoes in Indonesia. It is part of the Pacific "ring of fire," a large area in the basin of the Pacific Ocean that is the site of a large number of volcanic eruptions. 

Photos from the area show villages in the Karo region covered in ash, and before and after images of the mountain show a new crater created by the eruption. Thousands of people have been displaced in areas surrounding the volcano, but no injuries were reported.