Mt. Aso in southern Japan erupted on Wednesday, but 16 climbers atop the volcano at the time escaped unharmed, officials reported Tuesday.
According to the Japan Meteorological Agency, the eruption happened at 11:43 a.m. in the No. 1 Nakadake crater. The volcano warning level for Mt. Aso has been raised to 3 on a scale of 5, with no access to areas less than 2 kilometers from the crater on the volcano.