13.000 Jahre alter Baumstamm (IMAGE) Johannes Gutenberg Universitaet Mainz Caption 13.000 Jahre alter Baumstamm aus den vulkanischen Ablagerungen des Laacher-See-Ausbruchs in der Umgebung von Miesenheim Credit Foto/©: 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.