social-volcano-radar-students.mp4 (VIDEO) University of South Florida This video is under embargo. Please login to access this video. Caption B-roll of University of South Florida graduate students Taha Chorsi and Mahsa Afra on the ground at Mauna Loa in Hawaii, where they are using a rare radar instrument to study lava flow. 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.