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Agreement INGV-DPC 2007-2009 Project S4: ITALIAN STRONG MOTION DATA BASE TASK 3

Agreement INGV-DPC 2007-2009 Project S4: ITALIAN STRONG MOTION DATA BASE TASK 3 Site characterization with surface waves methods RU8-GFZ in cooperation with RU1-MiPv & RU5-Unibas. Siena meeting, 28-29 April 2010. The instrumentation. EDL 24bit + Mark L4C-3D 1Hz. Example of array 2D.

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Agreement INGV-DPC 2007-2009 Project S4: ITALIAN STRONG MOTION DATA BASE TASK 3

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  1. Agreement INGV-DPC 2007-2009 Project S4: ITALIAN STRONG MOTION DATA BASE TASK 3 Site characterization with surface waves methods RU8-GFZ in cooperation with RU1-MiPv & RU5-Unibas Siena meeting, 28-29 April 2010

  2. The instrumentation EDL 24bit + Mark L4C-3D 1Hz Example of array 2D

  3. Just a summary of the methods ... Rayleigh waves dispersion curve ESAC (Aki, 1957) FK (Lacoss et al., 1969; Capon, 1969) + HVSR (Nogoshi and Igarashi 1971, Nakamura, 1989) Joint Inversion (GA) (Parolai et al. 2005) S-waves velocity profile

  4. 12 Investigated sites

  5. NRZI - NORCIA VS30 = 557 m/s f0 = 0.72 Hz RAN

  6. GRM – Grumento Nova VS30 = 282 m/s ca.100 m f0 = 0.59 Hz RAN

  7. SNA – Sant’Arcangelo VS30 = 419 m/s f0 = 0.34 Hz ca.100 m RAN

  8. LGN – Lagonegro VS30 = 451 m/s RAN

  9. CTL - Cattolica VS30 = 208 m/s f0 = 1.16 Hz RAN ca.250 m

  10. ARG - Argenta VS30 = 170 m/s RAN f1 = 0.98 Hz f0 = 0.34 Hz

  11. FAZ - FAENZA VS30 = 292 m/s ca.70 m RAN

  12. MDN - Modena VS30 = 212 m/s f0 = 0.65 Hz RAN

  13. NVL - Novellara VS30 = 190 m/s f0 = 0.65 Hz RAN

  14. BVG - BEVAGNA VS30 = 160 m/s f0 = 0.35 Hz f1 = 1.22 Hz Deliverable 6

  15. BZZ - BAZZANO RAN VS30 = 679 m/s

  16. ONNA VS30 = 378 m/s f0 = 2.5 Hz

  17. Summary ... ... and thanks for the attention!

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