Kirishima (Shinmoedake) and Aira Caldera (Sakurajima) Volcanoes (image) University of Miami Rosenstiel School of Marine & Atmospheric Science Share Print E-Mail Caption Southern Japan on Feb. 3rd, 2011, showing the active cones of Kirishima (Shinmoedake) and Aira caldera (Sakurajima) volcanoes. While Kirishima is erupting very strongly, Aira's activity is relatively low. Credit NASA Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.