Cleveland Fieldwork (image) Carnegie Institution for Science Share Print E-Mail Caption Carnegie's Diana Roman collecting samples from Alaska's Cleveland volcano, one of the most-active volcanoes in the Aleutians. Tana Volcano on Chuginadak Island isn in the background. Credit Photo is courtesy of Anna Barth of Lamont Doherty Earth Observatory. Usage Restrictions With credit 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.