Eyjafjallajökull, Iceland (IMAGE) Geological Society of America Caption Figure 1 from Manzella et al.: Original and processed snapshot of the video of the Eyjafjallajökull (Iceland) plume as observed on May 4, 2010. White arrows indicate finger positions. This article is Open Access. Credit Manzella et al. and <i>Geology</i> Usage Restrictions Manzella et al. and <i>Geology</i> 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.