Bublak (image) Helmholtz Association Caption With stable isotopes researches found 2005 a new explanation for earthquake swarms in the Vogtland region. This is a scientist taking gas samples from the Bublak mofette in the Eger Basin, Czech Republic. Credit André Künzelmann/UFZ Usage Restrictions None 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.