14-Track Recorder (IMAGE) Seismological Society of America Caption 14-track recorder used to record the telemetered data from the 1980 Mount St. Helens pre-eruption seismic sequence Credit Stephen Malone Usage Restrictions Please include 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.