1. GEOFON and its Role in Global Seismic Monitoring and Tsunami Warning Winfried Hanka, GeoForschungsZentrum (GFZ), Potsdam, Germany, hanka@gfz-potsdam.de

2. Overview

3. “Networks”

4. The permanent GEOFON Network, its partner networks and other data sources (GEVN - GEOFON Extended Virtual Network: > 200 stations) “Networks”

5. The GEOFON Concept of Networked Seismographs and Data Centers “Products”

6. “Networks”

7. Planned GEOFON Real-Time Network in Indonesia “Networks”

8. Planned International Real-Time Seismic Network in Indonesia “Networks”

10. Proposed Station Distribution for an Earthquake Monitoring Network for the Indian Ocean Region (Locations to be discussed) “Networks”

11. GITEWS “Smart” Landstation Design

12. Communication Concept Tsunami Early Warning System

13. oceanographic data real-time data stream Real-time Sensordata seismic data Tsunami scenarios warning Concept Tsunami Early Warning Centre satellite data future real-time satellite data other geodata sources (public authorities, departments) processing geospatial data  topography  bathymetry  land cover  infrastructure - scenarios risk modelling, vulnerability assessment, evacuation planning local situation centre decentral situation centre processing local warning centre decision support system real-time data stream no warning evaluation/ recommendation Tsunami scenarios post Tsunami modelling processing

14. “Data”

15. “Products”

17. GEOFON/GEVN (Near) Standard Real-Time Network Data Processing Products Global Seismic Monitor Automatic Bulletin “Live” Seismograms Email& SMS alerts “Products”

18. GEOFON/GEVN Regional Seismic Monitors “Products”

19. Comparison of automatic GEOFON/GEVN locations versus NEIC (QED) (new AutoLoc version, June 21 – August 11, 2005) “Products”

20. Preliminary GITEWS Real-Time Earthquake Monitoring A preliminary GITEWS Earthquake Information System is operational at BMG since June 2005

21. Present Virtual Real-Time Seismic Network at BMG – external data imported over Internet Preliminary GITEWS Real-Time Earthquake Monitoring

22. Products of the preliminary Indonesian Earthquake Information System Preliminary GITEWS Real-Time Earthquake Monitoring

23. Comparison of present automatic BMG/GEOFON locations with NEIC(QED)

24. Advanced (Near) Real-Time Earthquake Monitoring Products Direct Seismic Tsunami Observations Rupture Tracking Reliable Rapid Magnitude Estimation Real-Time Moment Tensors (GRID-MT) Kawakatsu (1998) Krüger et al (2005) Yuan et al (2005))

25. Conclusions