| Based on literature analysis using TDA (data from ISI Web of Science database), the authors investigated the status and characteristics of seismological research in the world since 1900. The result shows that seismological research has keep growing, especially in the past 20 years; the growing is notable and the USA takes the dominant position in this field. In addition, the research effort mainly comes from government research agencies, national scientific institutions and public research organizations. Furthermore, the international seismological research focuses on such aspects as earthquake mechanism and seismogenesis, earthquake monitoring, and seismic effect. As far as the sum of research papers is concerned, China has become the important contributor to seismological research, but the influence remains limited. |