1873 8 8416 1 22543 document 8416 Coda wave_2011.pdf application/pdf 9192f4312a87ff51515fa57e22d33717 MD5 429928 2015-04-05 16:31:08 http://eprints.iliauni.edu.ge/1873/1/Coda%20wave_2011.pdf 1873 1 1 application/pdf text ge public

Coda wave_2011.pdf

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http://eprints.org/relation/isVersionOf http://eprints.iliauni.edu.ge/id/document/8416 http://eprints.org/relation/isVolatileVersionOf http://eprints.iliauni.edu.ge/id/document/8416 http://eprints.org/relation/ismediumThumbnailVersionOf http://eprints.iliauni.edu.ge/id/document/8416 8426 2 22560 document 8426 small.jpg image/png 72a23f287d165974caae33d96d01f5dc MD5 1821 2015-04-05 16:41:22 http://eprints.iliauni.edu.ge/1873/5/small.jpg 1873 5 5 image/png other Thumbnails conversion from text to thumbnail_small ge public

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http://eprints.org/relation/isVersionOf http://eprints.iliauni.edu.ge/id/document/8416 http://eprints.org/relation/isVolatileVersionOf http://eprints.iliauni.edu.ge/id/document/8416 http://eprints.org/relation/issmallThumbnailVersionOf http://eprints.iliauni.edu.ge/id/document/8416 archive 140 disk0/00/00/18/73 2015-04-06 07:23:21 2015-04-06 07:23:21 2015-04-06 07:23:21 article show Shengelia I. Javakhishvili Zurab zurab_javakhishvili@iliauni.edu.ge Jorjiashvili N pub GPH Q ins3 public Seventy-two local earthquakes were analyzed and the quality factor (Qc) was calculated for three regions of Georgia using the single-scattering model in the frequency range of 1–32 Hz. Standard International Association of Seismology and Physics of the Earth’s Interior (IASPEI) routines for the coda Qc determination have been used. The coda window varied from 35 to 45 s and the lapse time was up to 63 s. The epicenter distances and the focal depths of the earthquakes were up to 50 km and 20 km, respectively. Local magnitudes ranged from 1.7 to 4.1. These earthquakes were recorded by three digital seismic stations equipped with broadband Guralp CMG40T seismometers. The Qc values show strong frequency dependence for three regions. The value of Qc at frequency 1 Hz varies from 35:1  5:3 to 83  8:2, and the frequency parameter, n, increases from 0:890  0:062 to 1:095  0:056 depending on the model of the coda generation and the considered region. Observed Qc values reflect the average attenuation property of the whole crust beneath each region and are correlated with the seismicity pattern and geology in the studied regions. 2011-10 Bulletin of the Seismological Society of America 101 5 2220-2230 TRUE 0037-1106 (printed); 1943-3573 (online)