Ocean Bottom Seismometer (IMAGE) Helmholtz Centre for Ocean Research Kiel (GEOMAR) Caption This is the launch of an ocean bottom seismometer. With these instruments record seismic waves at the sea floor. Credit Ingo Grevemeyer/GEOMAR Usage Restrictions in the context of this press release only. 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.