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Seismic Envelopes of Coda Decay for Q-coda Attenuation Studies of the Gargano Promontory (Southern Italy) and Surrounding Regions

Author

Listed:
  • Marilena Filippucci

    (Department of Earth and Geo-Environmental Science, University of Bari Aldo Moro (UniBa), 70126 Bari, Italy)

  • Salvatore Lucente

    (Department of Earth and Geo-Environmental Science, University of Bari Aldo Moro (UniBa), 70126 Bari, Italy)

  • Salvatore de Lorenzo

    (Department of Earth and Geo-Environmental Science, University of Bari Aldo Moro (UniBa), 70126 Bari, Italy)

  • Edoardo Del Pezzo

    (Osservatorio Vesuviano, National Institute of Geophysics and Volcanology (INGV), 80124 Napoli, Italy
    Instituto Andaluz de Geofisica, Universidad de Granada, 18071 Granada, Spain)

  • Giacomo Prosser

    (Department of Science, University of Basilicata (UniBas), 85100 Potenza, Italy)

  • Andrea Tallarico

    (Department of Earth and Geo-Environmental Science, University of Bari Aldo Moro (UniBa), 70126 Bari, Italy)

Abstract

Here, we describe the dataset of seismic envelopes used to study the S-wave Q-coda attenuation quality factor Q c of the Gargano Promontory (Southern Italy). With this dataset, we investigated the crustal seismic attenuation by the Q c parameter. We collected this dataset starting from two different earthquake catalogues: the first regarding the period from April 2013 to July 2014; the second regarding the period from July 2015 to August 2018. Visual inspection of the envelopes was carried out on recordings filtered with a Butterworth two-poles filter with central frequency f c = 6 Hz. The obtained seismic envelopes of coda decay can be linearly fitted in a bilogarithmic diagram in order to obtain a series of single source-receiver measures of Q c for each seismogram component at different frequency f c . The analysis of the trend Q c ( f c ) gives important insights into the heterogeneity and the anelasticity of the sampled Earth medium.

Suggested Citation

  • Marilena Filippucci & Salvatore Lucente & Salvatore de Lorenzo & Edoardo Del Pezzo & Giacomo Prosser & Andrea Tallarico, 2021. "Seismic Envelopes of Coda Decay for Q-coda Attenuation Studies of the Gargano Promontory (Southern Italy) and Surrounding Regions," Data, MDPI, vol. 6(9), pages 1-6, September.
    • Handle: RePEc:gam:jdataj:v:6:y:2021:i:9:p:98-:d:634182
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