mahsa-afra-left-taha-sadeghi-chorsi-right.JPEG (IMAGE) University of South Florida Caption University of South Florida scientists Mahsa Afra (left) and Taha Sadeghi Chorsiset set up an instrument that uses radar to measure the flow of volcanic lava at Mauna Loa in Hawaii. Credit University of South Florida Usage Restrictions NA 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.