Portable Broadband Seismology - PowerPoint PPT Presentation

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Portable Broadband Seismology

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  1. Portable Broadband Seismology Part 3: Seismometer Overview Jakarta, Indonesia May 11-13, 2006 Bruce Beaudoin Marcos Alvarez

  2. A Simple Seismometer

  3. Equipment Inventory:Seismometers

  4. Spectral Amplitude Response Characteristics

  5. Equipment Inventory:Broadband Seismometers Guralp CMG-3T Streckeisen STS-2

  6. Equipment Inventory:Intermediate Period Seismometers CMG-40T 30s active feedback CMG-ESP 30s active feedback

  7. Equipment Inventory:Short Period Seismometers L4C 1Hz Teledyne GS-13 1Hz 1 Element/Housing L22 2Hz Passive Sensors

  8. Streckeisen STS-2 • Tri-Axial • 120 Second • Low Power • 1500 V/m/s

  9. Streckeisen STS-2

  10. Transformation Equations East North Vertical

  11. Transformation Equations

  12. Guralp CMG-3T • 120 Second • Low Power • 1500 V/m/s

  13. Guralp CMT-3T

  14. Guralp CMG-3ESP • 30 Second • Low Power • 2000 V/m/s

  15. Guralp CMG-40T • 30 Second • Low Power • 800 V/m/s • No locking