{"id":14268,"date":"2019-02-14T12:39:09","date_gmt":"2019-02-14T11:39:09","guid":{"rendered":"https:\/\/www.ig.cas.cz\/about\/projects\/projekt-sdruzena-inverze\/"},"modified":"2019-02-20T08:24:26","modified_gmt":"2019-02-20T07:24:26","slug":"project-joint-inversion","status":"publish","type":"page","link":"https:\/\/www.ig.cas.cz\/en\/research\/projects\/project-joint-inversion\/","title":{"rendered":"Joint inversion for seismic moment tensors and Green\u2019s functions (GA \u010cR 19-06422S)"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;3.0.47&#8243; custom_padding=&#8221;20px|0px|0px|0px&#8221;][et_pb_row custom_padding=&#8221;0px|0px|29.05px|0px&#8221; _builder_version=&#8221;3.0.99&#8243;][et_pb_column type=&#8221;2_3&#8243; _builder_version=&#8221;3.0.47&#8243; parallax=&#8221;off&#8221; parallax_method=&#8221;on&#8221;][et_pb_text _builder_version=&#8221;3.0.105&#8243;]<\/p>\n<h3><strong>Joint inversion for seismic moment tensors and Green\u2019s functions (GA \u010cR 19-06422S)<\/strong><\/h3>\n<p class=\"western\" style=\"text-align: justify;\" lang=\"en-US\">Catalogues of seismic moment tensors (MT) serve as a&nbsp;basic source of information about the orientation of active faults, tectonic stress and fracture processes. Determining accurate MTs is a&nbsp;primary goal of the modern seismology. The aim of the project is to develop and test new advanced methods of the MT inversion and to apply these methods to improving existing local and global MT catalogues including the Harvard CMT catalogue. Instead of calculating MTs from observations of individual earthquakes, we propose a&nbsp;joint inversion for MTs from observations of a&nbsp;large set of earthquakes from a&nbsp;given seismically active area. The new inversion scheme will make possible to calculate MTs but also to improve Green\u2019s functions which are the main factor limiting the accuracy of the inversion. The method will be tested on observations of local natural and induced seismicity and on global deep-focus seismicity. The results of the project can improve MT catalogues produced by seismological centres and can contribute to understanding tectonic processes in seismic regions in the world<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;3.0.47&#8243; parallax=&#8221;off&#8221; parallax_method=&#8221;on&#8221;][et_pb_text _builder_version=&#8221;3.0.105&#8243;]<\/p>\n<p style=\"text-align: center;\">Principal researcher: <a href=\"https:\/\/www.ig.cas.cz\/en\/contact\/staff\/vaclav-vavrycuk\/\">V\u00e1clav Vavry\u010duk<\/a><br \/> (<a href=\"https:\/\/www.ig.cas.cz\/en\/departments\/seismology\/\">Department of Seismology<\/a>)<\/p>\n<p style=\"text-align: center;\">Team members: <a href=\"https:\/\/www.ig.cas.cz\/en\/contact\/staff\/jana-doubravova\/\">Jana Doubravov\u00e1<\/a>, <a href=\"https:\/\/www.ig.cas.cz\/en\/contact\/staff\/petra-adamova\/\">Petra Adamov\u00e1<\/a><br \/> (<a href=\"https:\/\/www.ig.cas.cz\/en\/departments\/seismology\/\">Department of Seismology<\/a>)<\/p>\n<p style=\"text-align: center;\">Project duration: 1.&nbsp;1.&nbsp;2019 &#8211; 31.&nbsp;12.&nbsp;2021<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Joint inversion for seismic moment tensors and Green\u2019s functions (GA \u010cR 19-06422S) Catalogues of seismic moment tensors (MT) serve as a&nbsp;basic source of information about the orientation of active faults, tectonic stress and fracture processes. Determining accurate MTs is a&nbsp;primary goal of the modern seismology. The aim of the project is to develop [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":14269,"parent":5982,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"<p>Vztah mezi anizotropi\u00ed magnetick\u00e9 susceptibility (AMS) a deforma\u010dn\u00ed mikrostrukturou bude studov\u00e1n v\u00a0p\u0159\u00edrodn\u00edch stri\u017en\u00fdch z\u00f3n\u00e1ch a srovn\u00e1n s analogov\u00fdm a numerick\u00fdm modelov\u00e1n\u00edm. Stri\u017en\u00e9 z\u00f3ny v\u00a0monominer\u00e1ln\u00edch hornin\u00e1ch (kalcit, kvarcit) p\u0159edstavuj\u00ed vhodn\u00e9 p\u0159\u00edrodn\u00ed laborato\u0159e ke studiu magnetick\u00e9 stavby, textury a mikrostruktury pro pochopen\u00ed mikrostrukturn\u00edch proces\u016f, kter\u00e9 kontroluj\u00ed vznik AMS.\u00a0Analogov\u00e9 modelov\u00e1n\u00ed bude prov\u00e1d\u011bno v r\u016fzn\u00fdch tektonick\u00fdch re\u017eimech pomoc\u00ed reologicky neline\u00e1rn\u00edch materi\u00e1l\u016f. Numerick\u00e9 modely budou po\u010d\u00edtat AMS na z\u00e1klad\u011b re\u00e1ln\u00e9 mikrostruktury a srovn\u00e1vat ji s\u00a0pozorovanou a m\u011b\u0159enou stavbou a stavebn\u00edmi p\u0159etisky. Kombinace ter\u00e9nn\u00ed, laboratorn\u00ed a numerick\u00e9\u00a0studie je nutn\u00e9 k pochopen\u00ed probl\u00e9mu \u010dasov\u00fdch a prostorov\u00fdch vztah\u016f mezi AMS horninovou stavbou a\u00a0kone\u010dnou deformac\u00ed. Z\u00edskan\u00e9 v\u00fdsledky p\u0159isp\u011bj\u00ed k pochopen\u00ed magnetick\u00e9 stavby ve st\u0159i\u017en\u00fdch z\u00f3n\u00e1ch na\u00a0z\u00e1klad\u011b hodnocen\u00ed vz\u00e1jemn\u00e9ho reologick\u00e9ho ovliv\u0148ov\u00e1n\u00ed z\u00e1kladn\u00ed hmoty a magnetick\u00fdch miner\u00e1l\u016f.<\/p>","_et_gb_content_width":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-14268","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Joint inversion for seismic moment tensors and Green\u2019s functions (GA \u010cR 19-06422S) - Geofyzik\u00e1ln\u00ed \u00fastav Akademie v\u011bd \u010cR, v.v.i.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ig.cas.cz\/en\/research\/projects\/project-joint-inversion\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Joint inversion for seismic moment tensors and Green\u2019s functions (GA \u010cR 19-06422S) - Geofyzik\u00e1ln\u00ed \u00fastav Akademie v\u011bd \u010cR, v.v.i.\" \/>\n<meta property=\"og:description\" content=\"Joint inversion for seismic moment tensors and Green\u2019s functions (GA \u010cR 19-06422S) Catalogues of seismic moment tensors (MT) serve as a basic source of information about the orientation of active faults, tectonic stress and fracture processes. Determining accurate MTs is a primary goal of the modern seismology. 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