1. Name :  SLAMET SUYITNO RAHARJO

2. Organization: Staff of Seismological Sub Division of Meteorological and Geophysical Agency, Indonesia

3. Course: 1999 Gs

4. Title:  SEISMIC OBSERVATION IN INDONESIA

5. Abstract:
            Regarding to the geological condition of Indonesia archipelago, it is obvious that the country is considered as one of the most seismic active countries in the world. The last ten-year observation has shown us that more than 700 significant earthquake with magnitude > 4 RS can be located annually. 

              Based on the historical seismic data, the Indonesian territory can be classified into 6 seismic zones with the following criteria; high active, active, folded and fracture, folded, infrequent small earthquake and stable areas.