Hydrophone Deployment (IMAGE) University of Washington Caption Divya Panicker set out the underwater microphone, or hydrophone, off India's Kavaratti Island. Credit Sayed Abdullakoya Usage Restrictions With credit 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.