Timothy Crone (IMAGE) University of Washington Caption Timothy Crone inside the three-person submersible "Alvin" that carried him to the seafloor to deploy equipment that recorded the sounds of hydrothermal vents long assumed to be silent. Credit University of Washington Usage Restrictions Photo credit required 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.