180 likes | 341 Views
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________.
E N D
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ Nearly real-time monitoring system ofTABOO seismic network activity.Marzorati S.* and TABOO working group* National Earthquake Centre, AnconaIstituto Nazionale di Geofisica e Vulcanologia
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ Nearly real-time monitoring system of TABOO: seismic network activity. Seismic Network Maintenance, Monitoring, Data quality check, Data analysis, site characterisation INGV-CNT Ancona staff: -Monachesi Giancarlo -Cattaneo Marco -D’AlemaEzio -Frapiccini Massimo -CarannanteSimona -Ladina Chiara-Marzorati Simone Earthquake National Center (INGV-CNT) TABOO GROUP Ancona staff 0 / 10 Nearly real-time monitoring system TABOO: seismic network activity Marzorati S. and TABOO Group
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ TABOO SEISMIC NETWORK: Data Transmission and Acquisition Ancona-INGV Acquisition Data Center Ancona INGV Acquisition Data Center TABOO seismicstations INGV seismicstations - Wi-Fi networks and UMTS routerstransmitcontinousseismic data in real time - The Data Acquisitionismanaged by Seiscomp3 server - Data Archive: MiniSEED Alto Tiberina Wi-Fi Hiperlan TELECOMMUNICATION NETWORKS Local Radiolink MARCHE WAY Wi-Fi Radiolink 6.4 GHz SDH (155 Mbps) 1 / 10 Nearly real-time monitoring system TABOO: seismic network activity Marzorati S. and TABOO Group
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ TABOO SEISMIC NETWORK: REAL TIME Telemetry and Station STATUS Backbonenode Real Time monitor Radiolink -Netscout -Seiscomp3 Seismic Station Telemetry Status NETSCOUT isa productof Ars Commengineeringcompany (www.arscomm.it) The software monitors the parameters and alarms of telecommunication networks in real time. Active No communication 2 / 10 Nearly real-time monitoring system TABOO: seismic network activity Marzorati S. and TABOO Group
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ TABOO SEISMIC NETWORK: REAL TIME Telemetry and Station STATUS Real Time monitor -Netscout -Seiscomp3 Seiscomp3 SCQCV client Seismometer status and a detailed view of Quality Control (QC) parameters: Delay, Latency, Offset, RMS, Gap,Timing of real time signals 2 / 10 Nearly real-time monitoring system TABOO: seismic network activity Marzorati S. and TABOO Group
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ TABOO SEISMIC NETWORK: Reboot by Remote Controls -Netscout-UC34a -Health Control UC34 -Seedlink GAIA2 -SMS UMTS router Power Station Check atRadioLinkbackbonenode UC34a Netscout shows power station levels (voltage, power, temperature on site). If a radiolinkbackbonenodedoesn’t work, we can try to stop and start the power station by a remote control pushbutton backbone 3 / 10 Nearly real-time monitoring system TABOO: seismic network activity Marzorati S. and TABOO Group
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ TABOO SEISMIC NETWORK: Reboot by Remote Controls -Netscout-UC34a -Health Control UC34 -Seedlink GAIA2 -SMS UMTS router H-UC34 ping GAIA2 Backbonenode AutomaticCheck of Connectivity and Acquisitionat remote sites UC34 is a Control Unit of Ars Commengineering company, devotedto check the connectivitybetween remote seismic station and backboneradiolink. A modifiedversioncommunicates with INGV-GAIA2 data logger to monitor acquisitionprocesses status Radiolink backbone 3 / 10 Nearly real-time monitoring system TABOO: seismic network activity Marzorati S. and TABOO Group
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ TABOO SEISMIC NETWORK: Reboot by Remote Controls -Netscout-UC34a -Health Control UC34 -Seedlink GAIA2 -SMS UMTS router Reset of the seismic station acquisitionsystem Telnet connection with Linux O.S. in the GAIA2: -Stop and Restart of seedlinkprocesses -Linux O.S. shutdown and reboot 3 / 10 Nearly real-time monitoring system TABOO: seismic network activity Marzorati S. and TABOO Group
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ TABOO SEISMIC NETWORK: Reboot by Remote Controls -Netscout-UC34a -Health Control UC34 -Seedlink GAIA2 -SMS UMTS router UR5 UMTS router used on seismicstations out of the WiFi network. The SMS service isavailableto reboot the UMTS router by Configuration Menu Text of the SMS from mobile phone: «reboot» UR5 UMTS router Reboot 3 / 10 Nearly real-time monitoring system TABOO: seismic network activity Marzorati S. and TABOO Group
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ Three-day monitor TABOO SEISMIC NETWORK: Nearly Real Time Status History -Power Supply -Tracked GPS Satellites -Gaps The last day The last week An automaticprocess on the Linux O.S. createsa file with powersupplyvalue registered by GAIA2 seismic data logger. By Crontab & SCP connection weextract and archivepowersupplyvaluesevery 10 minutes. The powersupplyvalues are shown on three-dayMonitor(updatedevery hour) to check the functionalities of the differentpowersupplysystems. The last month Constantsupply: ElectricalPower Line on site All data Gradientsupply: (methanol) fuelcell Impulsive supply: Solar panels Power Supply Trends on eachseismic station 4 / 10 Nearly real-time monitoring system TABOO: seismic network activity Marzorati S. and TABOO Group
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ Three-day monitor TABOO SEISMIC NETWORK: Nearly Real Time Status History -Power Supply -Tracked GPS Satellites -Gaps An automaticprocess on the Linux O.S. createsa file with trackedsatellitesvalue on the GPS systemof the GAIA2 seismic data logger. By Crontab & SCP connection weextract and archivetrackedsatellitesvaluesevery 10 minutes. The tracked satellite values are shown on three-dayMonitorto check the functionalities of the seismic station GPS system. Seismic station GPS check 4 / 10 Nearly real-time monitoring system TABOO: seismic network activity Marzorati S. and TABOO Group
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ Yesterday monitor TABOO SEISMIC NETWORK: Nearly Real Time Status History -Power Supply -Tracked GPS Satellites -Gaps Weapply «qmerge» Passcall software on eachseismicchannel to monitor the gap trends. The number of gaps are shown on «yesterday» monitor, but the whole gap historyisarchived. Satellite links in badweatherconditions (snow) Gap trends check 4 / 10 Nearly real-time monitoring system TABOO: seismic network activity Marzorati S. and TABOO Group
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ TABOO SEISMIC NETWORK: Seismometer Performance and Site Quality • SeismicNoise • ProbabilityDensityFunction (PDF) • Evaluation of seismicnoise over a long time by PQLX software (*McNamara and Buland, 2004) : • trace statistics, Power Spectral Densities (PSD) and Probability Density Functions (PDF) . • PQLX server writes the results to a MySQL database for quick access • Implementationat INGV-Ancona acquisition center: • PQLX server startseveryday by crontabprocess • Data extractiontoolsallow to evaluatenoiselevels and statisticsabout subset of data (in ex., diurnal and nightly data) The stationary background noiseischaracterized by the highestprobability of occurrence (mode) Mode: stablenoise model for each station *McNamara, D.E. and R.P. Buland Ambient Noise Levels in the Continental United States Bull. Seism. Soc. Am., 94, 4, 1517-1527, 2004 5 / 10 Nearly real-time monitoring system TABOO: seismic network activity Marzorati S. and TABOO Group
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ TABOO SEISMIC NETWORK: Nearly Real Time Network Performance Nightly • EarthquakeMagnitudeDetectionMap - Extraction of diurnal and nightly PSD everyday by «exPSDhour» PQLX tool - Evaluation of diurnal and nightlyseismicnoisemode ateach station - Calculation of EarthquakeMagnitudeDetectionMap from noisemodes Depth Z = 5 Km Diurnal TABOO network: - Excellentdetectionthreshold (negative magnitude) - Cultural seismicnoiseaffectsdetectionthresholds in daytime but << 1 for the whole network 6 / 10 Nearly real-time monitoring system TABOO: seismic network activity Marzorati S. and TABOO Group
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ TABOO SEISMIC NETWORK: Network Performance • 2 yearsNoise PDF stack and modes • PQLX Data set: • - TABOO area • Surfaceseismic station • 2 years of data atleast NoiselevelProbability in TABOO area The distribution of seismicnoisespans over 30-40 dB buthigherprobabilityvaluesrangewithin10 dB Anomalouslowfrequencyresponse for ATMC and ATLO station 7 / 10 Nearly real-time monitoring system TABOO: seismic network activity Marzorati S. and TABOO Group
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ TABOO SEISMIC NETWORK: Network Performance • TABOO 2 years Mode LowNoise Model • (TB2yMLNM) • PQLX Data set: • - TABOO area • Surfaceseismic station • 2 years of data atleast TB2yMLNM represents the minimum of the mostoccurringnoiselevels in TABOO area Model: The minimum of all the modesateachperiod (*McNamara and Buland, 2004) Diurnal and NightlyModelsfrom diurnal and nightlymodes: Diurnal – NightlyDifference5.0 ± 2.1 dB between 1 and 25 Hz 8 / 10 Nearly real-time monitoring system TABOO: seismic network activity Marzorati S. and TABOO Group
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ TABOO SEISMIC NETWORK: Network Performance Noisy • Noisy and quietstations The minimum noise model isreference to assess the quality of each station Quiet Station diurnal mode Station nightly mode Area between10th and 90th percentile of PDF 9 / 10 Nearly real-time monitoring system TABOO: seismic network activity Marzorati S. and TABOO Group
NERA/REAKT Workshop Zürich March 19-20, 2013 ______________________________________________________________________________ TABOO SEISMIC NETWORK: Network Performance Winterlocalmicroseisms • Boreholeseismicstations BAT3 borehole setup: Vertical array of seismic (2Hz) sensors Depth: 0, 50 , 150, 250 m 250 m deepsensor BAT3 borehole performance (3 monthstatistic): the BAT3 mode values are smallerthan TB2yMLNM at high frequency Goodlaunch, Lauro! 10 / 10 Nearly real-time monitoring system TABOO: seismic network activity Marzorati S. and TABOO Group