Investigating the effectiveness of rupture directivity during the August 24, 2016 Mw 6.0 central Italy earthquake

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Elena Spagnuolo
Antonella Cirella
Aybige Akinci

Abstract

In this study we investigate directivity effects associated to the Mw6.0 Amatrice earthquake taking into account the source rupture heterogeneities. We use the directivity predictor proposed by Spudich et al. (2004) which is derived from the isochrones theory. The directivity is computed using a source to site geometry and a focal mechanism. For its simplicity it can be computed once that a moment tensor solution is available. We use this technique to validate the real time solutions. Moreover, because the directivity predictor depends on the rupture velocity it can be used as a proxy to validate the possible rupture history. For the aforementioned reasons our method revealed fruitful for real time applications and helpful to constrain a few main rupture features for further analysis.

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Spagnuolo E, Cirella A, Akinci A. Investigating the effectiveness of rupture directivity during the August 24, 2016 Mw 6.0 central Italy earthquake. Ann. Geophys. [Internet]. 2016Dec.6 [cited 2021Oct.19];59. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/7213
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{"cc_re__cc_re__cc_by_3_0": ["\n\t\t\t\t\t\t<div class=\"panel-body\">\n\t\t\t\t\t\t\tLetters\n\t\t\t\t\t\t</div>\n\t\t\t\t\t</div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"panel panel-default copyright\">\n\t\t\t\t\t\t<div class=\"panel-body\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4>Open-Access License</h4>\n<p><strong><em>No Permission Required</em></strong></p>\n<p><a href=\"http://www.ingv.it\" target=\"_blank\" rel=\"noopener\">Istituto Nazionale di Geofisica e Vulcanologia</a> applies the Creative Commons Attribution License (CCAL) to all works we publish.</p>\n<div style=\"text-align: center;\">\n<p><a href=\"http://creativecommons.org/licenses/by/3.0/\" rel=\"license\"><img style=\"border-width: 0;\" src=\"http://i.creativecommons.org/l/by/3.0/88x31.png\" alt=\"Creative Commons License\" /></a></p>\n</div>\n<p>Under the CCAL, authors retain ownership of the copyright for their article, but authors allow anyone to download, reuse, reprint, modify, distribute, so long as the original authors and source are cited. No permission is required from the authors or the publishers.</p>\n<div>In most cases, appropriate attribution can be provided by simply citing the original art"], "copyright__copyright__copyright": ["ealed fruitful for real time applications and helpful to constrain a few main rupture features for further analysis.\n\nArticle Details\n\nHow to Cite\n1.\nSpagnuolo E, Cirella A, Akinci A. Investigating the effectiveness of rupture directivity during the August 24, 2016 Mw 6.0 central Italy earthquake. Ann. Geophys. [Internet]. 2016Dec.6 [cited 2021Oct.19];59. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/7213\nSection\nLetters\n\nMost read articles by the same author(s)", "ealed fruitful for real time applications and helpful to constrain a few main rupture features for further analysis.\n\nArticle Details\n\nHow to Cite\n1.\nSpagnuolo E, Cirella A, Akinci A. Investigating the effectiveness of rupture directivity during the August 24, 2016 Mw 6.0 central Italy earthquake. Ann. Geophys. [Internet]. 2016Dec.6 [cited 2021Oct.19];59. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/7213\nSection\nLetters\n\nMost read articles by the same author(s)", "ealed fruitful for real time applications and helpful to constrain a few main rupture features for further analysis.\n\nArticle Details\n\nHow to Cite\n1.\nSpagnuolo E, Cirella A, Akinci A. Investigating the effectiveness of rupture directivity during the August 24, 2016 Mw 6.0 central Italy earthquake. Ann. Geophys. [Internet]. 2016Dec.6 [cited 2021Oct.19];59. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/7213\nSection\nLetters\n\nMost read articles by the same author(s)", "ealed fruitful for real time applications and helpful to constrain a few main rupture features for further analysis.\n\nArticle Details\n\nHow to Cite\n1.\nSpagnuolo E, Cirella A, Akinci A. Investigating the effectiveness of rupture directivity during the August 24, 2016 Mw 6.0 central Italy earthquake. Ann. Geophys. [Internet]. 2016Dec.6 [cited 2021Oct.19];59. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/7213\nSection\nLetters\n\nMost read articles by the same author(s)", "ealed fruitful for real time applications and helpful to constrain a few main rupture features for further analysis.\n\nArticle Details\n\nHow to Cite\n1.\nSpagnuolo E, Cirella A, Akinci A. Investigating the effectiveness of rupture directivity during the August 24, 2016 Mw 6.0 central Italy earthquake. Ann. Geophys. [Internet]. 2016Dec.6 [cited 2021Oct.19];59. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/7213\nSection\nLetters\n\nMost read articles by the same author(s)", "ealed fruitful for real time applications and helpful to constrain a few main rupture features for further analysis.\n\nArticle Details\n\nHow to Cite\n1.\nSpagnuolo E, Cirella A, Akinci A. Investigating the effectiveness of rupture directivity during the August 24, 2016 Mw 6.0 central Italy earthquake. Ann. Geophys. [Internet]. 2016Dec.6 [cited 2021Oct.19];59. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/7213\nSection\nLetters\n\nMost read articles by the same author(s)", "ealed fruitful for real time applications and helpful to constrain a few main rupture features for further analysis.\n\nArticle Details\n\nHow to Cite\n1.\nSpagnuolo E, Cirella A, Akinci A. Investigating the effectiveness of rupture directivity during the August 24, 2016 Mw 6.0 central Italy earthquake. Ann. Geophys. [Internet]. 2016Dec.6 [cited 2021Oct.19];59. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/7213\nSection\nLetters\n\nMost read articles by the same author(s)", "ealed fruitful for real time applications and helpful to constrain a few main rupture features for further analysis.\n\nArticle Details\n\nHow to Cite\n1.\nSpagnuolo E, Cirella A, Akinci A. Investigating the effectiveness of rupture directivity during the August 24, 2016 Mw 6.0 central Italy earthquake. Ann. Geophys. [Internet]. 2016Dec.6 [cited 2021Oct.19];59. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/7213\nSection\nLetters\n\nMost read articles by the same author(s)", "ealed fruitful for real time applications and helpful to constrain a few main rupture features for further analysis.\n\nArticle Details\n\nHow to Cite\n1.\nSpagnuolo E, Cirella A, Akinci A. Investigating the effectiveness of rupture directivity during the August 24, 2016 Mw 6.0 central Italy earthquake. Ann. Geophys. [Internet]. 2016Dec.6 [cited 2021Oct.19];59. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/7213\nSection\nLetters\n\nMost read articles by the same author(s)"]}