Mount Ontake in Japan erupted on Saturday, leaving at least eight people injured and 200 climbers trapped.
The volcano, 3,097 meters (10,161 feet) high, erupted around 11:53 a.m. Saturday, local time, on the border of the Nagano and Gifu prefectures, according to Japanese broadcaster NHK. It last erupted in 2007.
NHK reported that the one of the injuries was serious in nature.
The Japanese Meteorological Agency issued a Level 3 volcano alert, urging people to stay away from the area. A 4-kilometer (2.5 miles) area was under the threat of volcanic ash, the Japan Times reported.
Aircraft were diverted around the volcano, the Japan Today website reported.
Mt #Ontake eruption in #Japan. Via #NHK @kai_ri_no. pic.twitter.com/bTBEWNj4cE— Epic Cosmos (@EpicCosmos) September 27, 2014