Acta Seismologica Sinica publishes results of scientific and technical research in seismology as well as papers in geophysics, tectonics and engineering that are related to earthquake studies. The journal also discusses differences of scientific points of view in seismology; present status and significant advances in seismology research; relevant comments and discussion; recent trends of science and technology in seismology, and more. The journal is intended for scientists and engineers, teachers and students engaged in seismology and geophysics in China and abroad.