1. The GEOFON Network and its Partner Networks (GEVN - GEOFON Extended Virtual Network )

2. GEOFON and GEVN Partner Stations in the Mediterranean and Africa

3. The SeisComP Concept of Networked Seismographs and Data Centers: (Seismological Communication Processor)

4. Equipment used in GEOFON stations STS-2 VBB seismometer Earthdata digitizer + SeisComP box

5. GEOFON Station on Greenland Ice Sheet

6. GEOFON Station Malatya (Turkey)

9. SeisComP Real-Time Trace Viewer (SeisGram2K – Anthony Lomax)

10. GEOFON/GEVN (Near) Real-Time Network Data Processing Products

12. GEOFON/GEVN Automatic (Near) Real-Time Bulletin

13. GEOFON „Live“ Seismograms (http://www.gfz-potsdam.de/geofon/gfn_liveseis.html)http://www.gfz-potsdam.de/geofon/gfn_liveseis.html Sumatra Quake with Aftershocks (26.12.2004) recorded in Malatya (Eastern Turkey)

15. Proposed Station Distribution for an Earthquake Monitoring Network for the Indian Ocean Region (Locations to be discussed)

16. Propagation of Seismic P Waves in Minutes

17. Estimated Propagation of Tsunami after the Sumatra Quake

18. Sketch of Seismic Tsunami Surveillance System

19. Origin Time: 00:58:50 UTC Mw=9.0 Germany: GFZ 01:10:57 mb=6.9 +12 min Italy: INGV +16 min mb=6.9 Germany: LED +18 min mb=7.1 Switzerland: SED +19 min mb=6.1 Norway: NEWS +20 min mb=5.5 NOR +22 min mb=6.3 France: RNS +31 min mb=6.4 Slovakia: BRA +32 min mb=6.6 Europe/ORFEUS: ODC +65 min mb=7.3 France: LDG +731 min mb=5.9 International Centres (Manual Analysis) USA: NEIC +79 min Ms=8.5 Europe/EMSC: EMSC +97 min Mw=8.9 Pacific Tsunami Warning Center USA: PTWC +15 min Mw=8.0 EMSC, NEIC Automatic Location PTWC Comparison of Automatic Information on the Internet after the Sumatra Quake

20. GEOFON Global Seismic Monitor (http://www.gfz-potsdam.de/geofon/seismon)http://www.gfz-potsdam.de/geofon/seismon Das Sumatra-Beben angezeigt im Internet um 26/12/2004 01:12 UTC – 13 Minuten nach Herdzeit

21. GEOFON Email Earthquake Information Message – Issued 12 Minutes after the Quake

22. Aftershock Activity After the Sumatra Quake (> 300 Events Dec 25 – Feb 10)