13,000-Year-Old Tree Trunk (IMAGE) Johannes Gutenberg Universitaet Mainz Caption 13,000-year-old tree trunk from the volcanic deposits of the Laacher See eruption in the vicinity of Miesenheim, Germany. Credit photo/©: Olaf Jöris Usage Restrictions This image may only be used in connection with the press release "Eruption of the Laacher See volcano redated", issued by Johannes Gutenberg University Mainz on July 1, 2021. 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.