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Mike Stickney Montana Bureau of Mines and Geology Earthquake Studies Office

Montana Regional Seismograph Network. Mike Stickney Montana Bureau of Mines and Geology Earthquake Studies Office. ANSS IMW RAC 21 August 2006. Montana Regional Seismograph Network. 34 MBMG telemetered analog stations 1 MBMG strong-motion + SPZ channel 47 stations from 9 other networks

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Mike Stickney Montana Bureau of Mines and Geology Earthquake Studies Office

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  1. Montana Regional Seismograph Network Mike Stickney Montana Bureau of Mines and Geology Earthquake Studies Office ANSS IMW RAC 21 August 2006

  2. Montana Regional Seismograph Network • 34 MBMG telemetered analog stations • 1 MBMG strong-motion + SPZ channel • 47 stations from 9 other networks • Total: 82 stations/167 channels recorded in real time

  3. 82 stations recorded in real-time with Montana earthworm system

  4. 897 analysist-reviewed earthquakes from 1 January – 26 June 2006

  5. Northern Intermountain Seismic Belt 2006 seismicity

  6. Seismograph station (black triangles) coverage of the Dillon earthquake sequence

  7. 5 km Dillon

  8. Recent Accomplishments • QDDS running for automatic solutions • improved automatic coda magnitudes • ML from broadband records • digital recording Butte W-A seismograph • new velocity model and station delays • new and improved web site

  9. Short Comings • No backup coverage during absences in a one-person office • Badly behind on routine event analysis ~500 events in August 2005 ~200 events June 26, 2006 to present • ~ 1 year behind on digital ML analysis • Need to more efficiently analyze network data • Research on network data is sacrificed for the sake of routine analysis and maintenance

  10. Other Issues • Incorporating USArray data into regional network operation • Integrate USGS strong motion instruments into regional network

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