Mount Aso, a volcano on Japan’s main southern island of Kyushu, erupted spewing volcanic ash 11,000 meters (7 miles) into the sky.
It was the first “explosive eruption” at the peak since January 1980.
Mount Aso is one of the most active peaks in Japan but is also a popular hiking spot.
Japan lies on the “Ring of Fire”, a horseshoe-shaped band of fault lines and volcanoes around the edges of the Pacific Ocean, and is home to more than 100 active volcanoes.