Seismic Streamers (IMAGE) University of Texas at Austin Caption Rolls of seismic streamers. The researchers used very long seismic streamers -- reaching almost five miles long -- to image the seafloor using soundwaves. Credit Shuoshou Han/ UT Austin Usage Restrictions Credit photos 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.