Seismic Observations (IMAGE) Chinese Academy of Sciences Headquarters Caption Seismic observations (a) and a conceptual cartoon summarizing the origin of imaged slab interfaces (b) Credit CHEN Qifu's group 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.