Volcanic Gases (IMAGE) Université de Genève Caption Sampling of volcanic gases in Vulcano Crater (Aeolian Islands). Prise d’échantillon des gaz volcaniques dans le cratère de Vulcano (îles Éoliennes). Credit © UNIGE Usage Restrictions None License Licensed content 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.