Mud volcanoes (IMAGE) University of California - Riverside Caption Mud volcanoes next to the EnergySource Minerals power plant, near the Salton Sea. Credit Michael McKibben/UCR Usage Restrictions None License Original 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.