Abstract
The work describes the research and development carried out at the DD GS RAS over the past 5 years, mainly of an innovative nature. These developments include the computer program "Con-struction the transfer function between time series based on the relative amplitudes of coherent harmonics", invention "Method for reconstructing dynamic processes in the earth's crust based on seismic observations ", implemented in computer program "Reconstruction of geodynamic processes based on seismic observations", SEISMO program, invention "Method for predicting tectonic earthquakes" implemented in the computer program "Detector of deformation anomalies parameters in the earth's crust based on areal observations of geofields", computer program "Maps builder of seismic station networks registration capabilities". Their application provided scientific results of a priority nature, the main of which are the identification of a significant cor-relation between time series of concentrations and dispersions of hydrogen and helium and the seismic regime of the region, establishment of dominance in atmospheric pressure variations and in the response to them of water levels in wells of semidiurnal harmonic, while in intraday fluc-tuations of weak seismicity, the 24-hour harmonic dominates, which unambiguously excludes atmospheric pressure from the possible causes of daily variations, correlation of synchronous peaks in the time variation of the intraday harmonics amplitudes in temperature observations in a well with the world's strongest earthquakes, establishment a fact of weak seismicity modulation by a semidiurnal tidal wave M2, detection in variations of weak seismicity along with the daily harmonic S1 (24h) of stable intraday harmonics S2 (12h), S3 (8h) and S4 (6h). A number of priori-ty results obtained in collaboration with employees of the Siberian Division GS RAS and the In-stitute of Physics of the Earth RAS are also described.
Highlights
The work describes the research and development carried out at the DD GS RAS over the past 5 years, mainly of an innovative nature. These developments include the computer program “Construction the transfer function between time series based on the relative amplitudes of coherent harmonics”, invention “Method for reconstructing dynamic processes in the earth’s crust based on seismic observations implemented in computer program “Reconstruction of geodynamic processes based on seismic observations”, SEISMO program, invention “Method for predicting tectonic earthquakes” implemented in the computer program “Detector of deformation anomalies parameters in the earth’s crust based on areal observations of geofields”, computer program “Maps builder of seismic station networks registration capabilities”
Geophysical and geochemical researches on the territory of the Republic of Dagestan in 2016-2020
Summary
Роспатенте изобретение «Сейсмоприёмник резонансный сканирующий» [Таймазов Д., Таймазов М., 2017] и его усовершенствованный вариант «Широкополосный резонансный сейсмоакустический приёмник» (ШРСАП) [Таймазов Д., Таймазов М., 2018в]. К другим преимуществам ШРСАП перед аналогами относятся высокая точность идентификации регистрируемых частот в широком диапазоне, компактность преобразователя и линейная зависимость выходного сигнала от амплитуд гармоник при выполнении простого соотношения (a+b)=ac между указанными на рис. 6 приведены карта эпицентров землетрясений (а), карта плотности эпицентров землетрясений (б) и карта активности А10 территории Дагестана и прилегающих районов (в) за период с 1 декабря 2015 г. На самом сейсмоактивном кольце выделяются районы повышенных значений плотности эпицентров и активности А10: район Буйнакского и Дагестанского землетрясений, юго-восточная приграничная зона Дагестана и Чечни, приграничная зона Дагестана и Грузии, Закатальская зона, район Ляхлинского землетрясения 2017 г. 6. Карты эпицентров (а), плотности эпицентров землетрясений (б), и карта активности А10 (в) на территории Дагестана и прилегающих районов за период с 1 декабря 2015 г. Карта пространственного изменения отношения скоростей продольных и поперечных волн VP/VS перед Буйнакским землетрясением 25 мая 2019 г
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