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PG&E and CISN: An Earthquake Country Partnership

PG&E and CISN: An Earthquake Country Partnership. Stu Nishenko CISN Advisory & Steering Committees Meeting October 13, 2010 Sacramento CA. PG&E Strong Motion Network Partnership with CGS Central Coast Seismic Net Partnership with USGS 2003 San Simeon earthquake

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PG&E and CISN: An Earthquake Country Partnership

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  1. PG&E and CISN: An Earthquake Country Partnership Stu Nishenko CISN Advisory & Steering Committees Meeting October 13, 2010 Sacramento CA

  2. PG&E Strong Motion Network • Partnership with CGS • Central Coast Seismic Net • Partnership with USGS • 2003 San Simeon earthquake • Digital upgrade • 2010 Eureka earthquake • ShakeMaps guide PG&E response • 2010 San Bruno gas explosion

  3. PG&E Central Coast Seismic Network (CCSN) DCPP

  4. Original analog site New digital site Completed digital upgrade To be upgraded in 2010-2011 DCPP

  5. San Andreas DCPP Hosgri. Seismicity recorded by PG&E and the US Geological Survey 1987- July 2010 M6.5 San Simeon

  6. Acceleration data from the CCSN network now used in regional ShakeMaps

  7. CCSN Digital Upgrade 2006-2011 • Project is to replace old analog telemetry with digital velocity and acceleration recorders and digital telemetry. • Addition of accelerometers provides on-scale recordings of large earthquakes. • Increased dynamic range from digital telemetry improves small earthquake recordings, as well. • Remote access to station data for status and parameterssaves time and money on maintenance . • Recorders at stations provide backup if telemetry goes down.

  8. San Bruno blast Blast Area 10

  9. Thank You!

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