The GEOFON Network and its Partner Networks (GEVN - GEOFON Extended Virtual Network )
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Transcript of The GEOFON Network and its Partner Networks (GEVN - GEOFON Extended Virtual Network )
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The GEOFON Network and its Partner Networks(GEVN - GEOFON Extended Virtual Network )
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GEOFON and GEVN Partner Stations in the Mediterranean and Africa
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The SeisComP Concept of Networked Seismographs and Data Centers:
(Seismological Communication Processor)
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Equipment used in GEOFON stations
STS-2 VBB seismometer
Earthdata digitizer + SeisComP box
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GEOFON Station onGreenland Ice Sheet
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GEOFON Station Malatya (Turkey)
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SeisComP Real-Time Trace Viewer (SeisGram2K – Anthony Lomax)
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GEOFON/GEVN (Near) Real-Time Network Data Processing Products
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GEOFON/GEVN Automatic (Near) Real-Time Bulletin
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GEOFON „Live“ Seismograms (http://www.gfz-potsdam.de/geofon/gfn_liveseis.html)Sumatra Quake with Aftershocks (26.12.2004) recorded in Malatya (Eastern Turkey)
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Proposed Station Distribution for an Earthquake Monitoring Network for the Indian Ocean Region (Locations to be discussed)
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Propagation of Seismic P Waves in Minutes
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Estimated Propagation of Tsunami after the Sumatra Quake
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Sketch of Seismic Tsunami Surveillance System
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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=7.1Switzerland: 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 CenterUSA: PTWC +15 min Mw=8.0
EMSC, NEICAutomatic Location
PTWC
Comparison of Automatic Information on the Internet after the Sumatra Quake
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GEOFON Global Seismic Monitor (http://www.gfz-potsdam.de/geofon/seismon)Das Sumatra-Beben angezeigt im Internet um 26/12/2004 01:12 UTC – 13 Minuten nach Herdzeit
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GEOFON Email Earthquake Information Message – Issued 12 Minutes after the Quake
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Aftershock Activity After the Sumatra Quake (> 300 Events Dec 25 – Feb 10)