GEOFON – Seismological Infrastructures, Global Seismic Monitoring and Tsunami WarningWinfried HankaGFZ German Research Centre for GeosciencesPotsda
GITEWS Seismic Network for the Indian OceanYemenMaldivesSri LankaIndonesiaMadagascarKenya
Recent Proposal for NEAMTWSHow can Seismology help Tsunami Warning?Standard concept for regional and national TWS:the Decision MatrixConfirmation by s
GITEWSTsunami Warning in 5 min – a great challenge!GITEWS Strategy:1st step: 5 min warning issued on basis of the most probable pre-calculated tsun
GITEWSThe Challenge: Tsunami Warning for Indonesia2nd step: verification by ocean and coastal sensor systems!GPS BuoyTide GaugeOcean Bottom Unit(pr
GITEWSGITEWS Tsunami Warning Concept – a “System of Systems”GPS BuoyesTide guages OB pressure sensors EO DataCGPSlocal authoritiesexposed populatio
Internetsc-acqui(GITEWS)BMKG NetJISNET(NIED,Japan)MalaysiaAustraliaGEOFONIRISGEOSCOPECN Net(CEA, China)IMS Net(CTBTO)BMG LANGITEWS VSATNAQSWINCEA Syst
SeisComP3 SoftwareGITEWSPresent Status:●Real-time acquisition of virtual seismic networks: (GFZ > 750 stations)●Visualization of overall situation
GITEWSSeptember 12, 2007: first successful “home-made” tsunami alarm at BMG < 5 min ! BMG: M=7.9 4.66S 101.11E 10 km issued 11:14:42 04:
InternetGITEWSBMKG(Indonesia)GFZ(Germany)Western Indian OceanEastern Indian OceanNMC(Maldives)MadagascarTanzaniaKenyaNSOC(Yemen)Sri LankaINCOIS(India)
GITEWSGITEWS/GEOFON VSAT Communication Intelsat IS10 Africa Ku BeamArabsat BADR 4 KuCROSAT (Vienna)BMKGTelkom 2 C BandExpress AM22/AM1 Europe wide
GEOFON tries●to promote international broadband seismology in Europa and worldwide and●to obtain maximum impact from minimum resources by intensive co
Upgrade of GEOFON Stations in NEAMTWS AreaCooperation with NOAImplementation underway StationsupgradedCooperation with WM networkImplementation sta
InternetDistributed SeisComP3 System for Interim NEAMTWSGFZ(Germany)CEA/EMSC(France)Waveforms Parameters (QuakeML)KOERI(Turkey)INM(Tunisia)NOA(Greece)
ActiveArcLinknodeActiveArcLinknodeActiveArcLinknodeDB synchronizationClientPrimaryconnectionSecondaryconnectionSecondaryconnectionDB synchronizatio
GFZODCINGVIPGPFDSN/IRISSeedLink/ArcLink NetworkMulti-nationalData Archives & PortalsNational Data Archives & PortalsVEBSNReal-Time DataOffl
WebDC.eu Portal – Event+Station+Time Window Selection
Thank you very much!GITEWS
GEOFON Permanent Seismic NetworkGEOFON/WM: 79 stations
GEOFON Extended Virtual NetworkGEOFON/WM: 77 NRT stations (+2 offline)GEVN ~ 750 stations
Why Global Earthquake Monitoring is a Task for GEOFON?Trigger: The Boumerdes (Algeria) Mw=6.8 earthquake of May 25, 20032266 casualties in Algeria - 3
Seismic Data Processing at GEOFON Data CenterOffline Data(temp. nets)SeedLinkServerSeisComP3ServerInternetSC3MessagesVSATSeismicWaveformsArcLinkServer
Performance of GEVN Earthquake Monitoring SystemTime DelayLocation DistanceAutomatic alerts >= 25 phases
What has GEOFON to do with Tsunami Warning?=> GITEWS Project
GITEWSThe Great Challenge: Tsunami Warning for IndonesiaTsunami travel times 20 - 40 min => warning time line < 5 min!
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