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Non-double-couple earthquake mechanism as an artifact of the point-source approach applied to a finite-extent focus
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SYSNO ASEP 0348504 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Non-double-couple earthquake mechanism as an artifact of the point-source approach applied to a finite-extent focus Tvůrce(i) Adamová, Petra (GFU-E) ORCID, RID
Šílený, Jan (GFU-E) ORCID, RIDZdroj.dok. Bulletin of the Seismological Society of America. - : Seismological Society of America - ISSN 0037-1106
Roč. 100, č. 2 (2010), s. 447-457Poč.str. 11 s. Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova non-double-couple earthquake mechanism ; moment tensor ; finite-extent focus Vědní obor RIV DC - Seismologie, vulkanologie a struktura Země CEP GA205/09/0724 GA ČR - Grantová agentura ČR CEZ AV0Z30120515 - GFU-E (2005-2011) UT WOS 000275597200002 DOI 10.1785/0120090097 Anotace A sizable amount of moderate and strong earthquakes exhibit a considerable percentage of non-double-couple (non-DC) components in the mechanism, as reported by agencies determining moment tensors on a routine basis from long-period seismograms. As most of them are tectonic events where a simple shear slip is anticipated along a roughly planar fault (at least in the optics of the long periods used), suspicion arises about their source origin. Leaving aside anisotropy in the source region, we assign them to be side effects of the application of the first degree moment tensor approximation to data still containing (after low-pass filtering) information about the source finiteness. Pracoviště Geofyzikální ústav Kontakt Hana Krejzlíková, kniha@ig.cas.cz, Tel.: 267 103 028 Rok sběru 2011
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