1887
Volume 58, Issue 5
  • E-ISSN: 1365-2478

Abstract

ABSTRACT

We determine the attenuation structure of a three‐dimensional medium based on first pulse‐width measurements from microearthquake data. Ninety‐five microearthquakes from a seventy stations local network were considered in this study. Measurements of the first half cycle of the wave, the so‐called rise time τ were carried out on high quality velocity seismograms and inverted to estimate the P‐waves intrinsic quality factor . The results of this investigation indicate that first pulse width data from a local microearthquake network permit retrieval with sufficient accuracy of the heterogeneous structure. The inferred attenuation variability corresponds to the known geological formations in the region.

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2010-06-09
2024-04-26
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  • Article Type: Research Article
Keyword(s): Intrinsic quality factor

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