Engineer Tests the Station (IMAGE) U.S. National Science Foundation Caption An engineer tests the EarthScope Transportable Array Station 345A after the electronics are installed. The seismometer is in the center. Credit Courtesy of IRIS Usage Restrictions None 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.