Handout . / ReutersA video grab from the Japan Meteorological Agency's live camera image shows an eruption of Mount Aso in Aso, Kumamoto prefecture, southwestern Japan, September 14, 2015. Mount Aso, a volcano located on Japan's southernmost main island of Kyushu, erupted on Monday, Japan's Meteorological Agency said, sending up huge plumes of grey ash and smoke. REUTERS/Japan Meteorological Agency/Handout via Reuters ATTENTION EDITORS - THIS PICTURE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.