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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">gtcrust</journal-id><journal-title-group><journal-title xml:lang="ru">Геодинамика и тектонофизика</journal-title><trans-title-group xml:lang="en"><trans-title>Geodynamics &amp; Tectonophysics</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2078-502X</issn><publisher><publisher-name>Institute of the Earth's crust of the Russian Academy of Sciences, Siberian Branch</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.5800/GT-2012-3-3-0074</article-id><article-id custom-type="elpub" pub-id-type="custom">gtcrust-165</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>СОВРЕМЕННАЯ ГЕОДИНАМИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RECENT GEODYNAMICS</subject></subj-group></article-categories><title-group><article-title>АНАЛИЗ ДЕФОРМАЦИОННЫХ ПРОЦЕССОВ В ЛИТОСФЕРЕ ПО ГЕОДЕЗИЧЕСКИМ НАБЛЮДЕНИЯМ НА ПРИМЕРЕ РАЗЛОМА САН-АНДРЕАС</article-title><trans-title-group xml:lang="en"><trans-title>ANALYSIS OF DEFORMATION PROCESSES IN THE LITHOSPHERE FROM GEODETIC MEASUREMENTS BASED ON THE EXAMPLE OF THE SAN ANDREAS FAULT</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Габсатаров</surname><given-names>Юрий Владимирович</given-names></name><name name-style="western" xml:lang="en"><surname>Gabsatarov</surname><given-names>Yury V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>м.н.с.,</p><p>249035, Обнинск, пр. Ленина, 189</p></bio><bio xml:lang="en"><p>Junior Researcher,</p><p>189 Lenin street, Obninsk 249035</p></bio><email xlink:type="simple">yurug@gsras.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Геофизическая служба РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Geophysical Survey RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2012</year></pub-date><pub-date pub-type="epub"><day>24</day><month>09</month><year>2015</year></pub-date><volume>3</volume><issue>3</issue><fpage>275</fpage><lpage>287</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Габсатаров Ю.В., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Габсатаров Ю.В.</copyright-holder><copyright-holder xml:lang="en">Gabsatarov Y.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.gt-crust.ru/jour/article/view/165">https://www.gt-crust.ru/jour/article/view/165</self-uri><abstract><p>Анализ данных постоянных станций GPS-наблюдений в тектонически активных регионах позволяет осуществлять прямое наблюдение процессов деформирования земной поверхности как вследствие упругого взаимодействия литосферных плит, так и вследствие высвобождения накопленного напряжения в результате сейсмических событий и постсейсмических процессов.</p><p>Представлена методология использования регрессионного анализа временных рядов станций GPS для выделения отдельных компонент смещения станций, вызванных действием различных деформационных процессов. Возможность создания модели смещения станций, обусловленного только деформированием пограничной зоны взаимодействия литосферных плит, позволяет исследовать вариации стационарного процесса деформирования этой зоны.</p><p>В соответствии с представленной методологией получены вариации поля накопленных поверхностных смещений, а также вариации поля скоростей поверхностных смещений и поля скорости максимальной деформации сдвига по данным станций GPS-наблюдений перед Паркфилдским землетрясением 28.09.2004 г., Mw=6.0.</p><p>Совместный анализ вариаций этих полей показал, что перед сейсмическим событием 28.09.2004 г. происходили заметные аномалии процесса упругого деформирования краевой области трансформного разлома, локализация которых совпадает пространственно и по времени с очаговой областью будущего сейсмического события.</p></abstract><trans-abstract xml:lang="en"><p>Analysis of data from permanent GPS observation stations located in tectonically active regions provides for direct observation of deformation processes of the earth's surface which result from elastic interaction of the lithospheric plates and also occur when accumulated stresses are released by seismic events and postseismic processes.</p><p>This article describes the methodology of applying the regression analysis of time series of data from GPS-stations for identification of individual components of the stations’ displacements caused by the influence of various deformation processes. Modelling of the stations’ displacements caused only by deformations of the marginal zone, wherein the lithospheric plates interact, allows us to study variations of the steady-state deformation in the marginal zone.</p><p>he proposed methodology is applied to studies of variations of fields of cumulative surface displacements, surface displacement velocity and maximum shear strain velocity which are determined from the GPS data recorded prior to the Parkfield earthquake of 28 September 2004 (Mw=6.0).</p><p>Combined analysis of the variations of the above-mentioned fields shows that measurable anomalies of the elastic deformation of the transform fault’s edge took place prior to the seismic event of 28 September 2004, and such anomalies were coincident in space and time with the focal area of the future seismic event.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>деформационные процессы</kwd><kwd>регрессионный анализ</kwd><kwd>литосфера</kwd><kwd>космическая геодезия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>deformation</kwd><kwd>regression analysis</kwd><kwd>lithosphere</kwd><kwd>space geodesy</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Г.М. Стеблов (ГС РАН), Ю.Л. Ребецкий (ИФЗ РАН), В.А.Саньков (ИЗК СО РАН)</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Altamimi Z., 2006. Station positioning and the ITRF. In: Proceedings of the 15th International workshop on laser ranging, Canberra, Australia, October 15–20, 2006. Available from: http://cddis.gsfc.nasa.gov/lw15/docs/papers/Station Positioning and the ITRF.pdf.</mixed-citation><mixed-citation xml:lang="en">Altamimi Z., 2006. Station positioning and the ITRF. In: Proceedings of the 15th International workshop on laser ranging, Canberra, Australia, October 15–20, 2006. 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