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ADAPTIVE METHOD FOR REVEALING TIDAL VARIATIONS IN WEAK SEISMICITY
1 Geophysical Survey of the Russian Academy of Sciences
2 Institute of Geology of Daghestan Federal Research Center of the Russian Academy of Sciences
3 Daghestan Federal Research Center of the Russian Academy of Sciences
Journal: Science and technological developments
Tome: 101
Number: 4
Year: 2022
Pages: 33-47
UDK: 550.34
DOI: 10.21455/std2022.4-3
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Taimazov
M.G D.G. ADAPTIVE METHOD FOR REVEALING TIDAL VARIATIONS IN WEAK SEISMICITY
// . 2022. Т. 101. № 4. С. 33-47. DOI: 10.21455/std2022.4-3
@article{Taimazov
M.GADAPTIVE2022,
author = "Taimazov
M.G, D. G.",
title = "ADAPTIVE METHOD FOR REVEALING TIDAL VARIATIONS IN WEAK SEISMICITY
",
journal = "Science and technological developments",
year = 2022,
volume = "101",
number = "4",
pages = "33-47",
doi = "10.21455/std2022.4-3",
language = "English"
}
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Keywords: weak seismicity modulation, spectral analysis, diurnal periodicity, lunar tide, tectonic fault
Аnnotation: The paper proposes a method for searching for the M2 tidal harmonic in seismicity, based on the construction of time series of conditional accumulated seismic energy (CASE) with a given discretization and their adaptive spectral analysis. The preliminary results of testing this method on seismic observations over the territory of California for the period 1983–2012 are presented. For the first time, the fundamental harmonic of the lunar tide M2 was reliably identified in variations of weak seismicity at a significance level above 5σ in the range of energy classes 5–9. The confinement of areas with significant M2 amplitudes to the San Andreas Fault and its branches was found.
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Kolosova, E.A., Lukk, A.A., Serova, O.A., Sidorin, A.Ya., Natural and technogenic sources of trig-ger activity of seismicity and seismic noise, Nauka i tekhnologicheskie razrabotki (Science and Technological Developments), 2015, vol. 94, no. 4, pp. 30–43. [in Russian].
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Taymazov, D.G., Taymazov, M.D., A method for reconstructing dynamic processes in the Earth’s crust based on seismic observations, Pat. No. 2659452 Russian Federation, publ. 07.02.2018, Bull. No. 19, 6 p.
Taymazov, D.G., Sharapudinov, T.I., Magomed-Kasumov, M.G., Sultanakhmedov, M.S., Tayma-zov, M.D., Reconstruction of geodynamic processes based on seismic observations, Certificate of state registration of the program No. RU 2018616052, dated 05.22.2018, Bull. No. 6.
Taymazov, D.G., Magomed-Kasumov, M.G., Sharapudinov, T.I., Sultanakhmedov, M.S., On the daily periodicity of weak earthquakes in the Eastern Caucasus, Trudy Instituta geologii DagNTS RAN (Proceedings of the Institute of Geology DSC RAS), 2019, no. 2 (77), pp. 86–94. [in Rus-sian]. https://doi.org/10.33580/2541-9684-2019-63-2-86-94
Zhuravlev, V.I., Lukk, A.A., Midday activation of seismicity in Turkey and a number of other re-gions of the world, Geofizicheskie issledovaniya (Geophysical Research), 2011, vol. 12, no. 4, pp. 31–57. [in Russian].
Zhuravlev, V.I., Lukk, A.A., The pattern of diurnal periodicity of weak earthquakes in Iran, Izvestiya, Physics of the Solid Earth, 2012, vol. 48, no. 1, pp. 61–77. https://doi.org/10.1134/S1069351311120111
Benioff, G., Seismic data on the structure of the crust and tectonic activity, in: Zemnaya kora (Earth’s Crust), Moscow, IL, 1957, pp. 76–88. [in Russian].
Dobrovolsky, I.P., Seismic efficiency of a tectonic earthquake, Fizika Zemli (Physics of the Earth), 1994, no. 5, pp. 87–90. [in Russian].
Gutenberg, B., Richter, C.F., Frequency of earthquakes in California, Bull. Seismol. Soc. Amer., 1944, vol. 34, no. 4, pp. 185–188. https://doi.org/10.1785/BSSA0340040185
Kolosova, E.A., Lukk, A.A., Serova, O.A., Sidorin, A.Ya., Natural and technogenic sources of trig-ger activity of seismicity and seismic noise, Nauka i tekhnologicheskie razrabotki (Science and Technological Developments), 2015, vol. 94, no. 4, pp. 30–43. [in Russian].
Molodenskii, D.S., Changes in the tidal response of the medium before strong earthquakes, Seismic Instruments, 2011, vol. 47, iss. 3, art. 289. https://doi.org/10.3103/S0747923911030108
Molodenskii, D.S., Molodenskii, M.S., On the possibilities of determination of small changes in the tidal response of the medium at short time intervals, Seismic Instruments, 2013, vol. 49, no. 1, pp. 22–26. https://doi.org/10.3103/S0747923913010076
NCEDC. Northern California Earthquake Data Center, UC Berkeley Seismological Laboratory, Da-taset, 2014, http://ncedc.org/anss/catalog-search.html. https://doi.org/10.7932/NCEDC
Prognoz zemletryaseniy (Earthquake forecast), No. 3, Dushanbe; Moscow, Donish, 1984, 216 p.
Pugin, A.M., Kuznetsova, L.V., A stable method for the analysis of terrestrial tides – A method with preliminary data compression, Fizika Zemli (Physics of the Earth), 1992, no. 7, pp. 95–100. [in Russian].
Riznichenko, Yu.V., Dimensions of the source of a crustal earthquake and seismic moment, in: Is-sledovaniya po fizike zemletryaseniy (Earthquake Physics Research), Moscow, Nauka, 1976, pp. 9−27. [in Russian].
Riznichenko, Yu.V., Izbrannye trudy. Problemy seismologii (Selected Works. Problems of seismolo-gy), Moscow, Nauka, 1985, 408 p.
Sadovskiy, M.A., Pisarenko, V.F., On the dependence of the earthquake preparation time on its ener-gy, Dokl. AN SSSR (Reports USSR Academy of Sciences), 1983, vol. 271, no. 2, pp. 330–333. [in Russian].
Sidorin, A.Ya., Diurnal periodicity of earthquakes and its seasonal variations, Seismic Instruments, 2010, vol. 46, iss. 3, pp. 293–305. https://doi.org/10.3103/S0747923910030114
Taimazov, D.G., Scale invariance of earthquake parameters and a possible algorithm for their predic-tion, Nauka i tekhnologicheskie razrabotki (Science and Technological Developments), 2022, vol. 101, no. 4, pp. 5–32. [in Russian]. https://doi.org/10.21455/std2022.4-2
Taymazov, D.G., Taymazov, M.D., Algorithm for the reconstruction of dynamic processes in the Earth's crust based on seismic observations, Trudy Instituta geologii DagNTS RAN (Proceedings of the Institute of Geology DSC RAS), 2015, no. 64, pp. 151–154. [in Russian].
Taymazov, D.G., Taymazov, M.D., A method for reconstructing dynamic processes in the Earth’s crust based on seismic observations, Pat. No. 2659452 Russian Federation, publ. 07.02.2018, Bull. No. 19, 6 p.
Taymazov, D.G., Sharapudinov, T.I., Magomed-Kasumov, M.G., Sultanakhmedov, M.S., Tayma-zov, M.D., Reconstruction of geodynamic processes based on seismic observations, Certificate of state registration of the program No. RU 2018616052, dated 05.22.2018, Bull. No. 6.
Taymazov, D.G., Magomed-Kasumov, M.G., Sharapudinov, T.I., Sultanakhmedov, M.S., On the daily periodicity of weak earthquakes in the Eastern Caucasus, Trudy Instituta geologii DagNTS RAN (Proceedings of the Institute of Geology DSC RAS), 2019, no. 2 (77), pp. 86–94. [in Rus-sian]. https://doi.org/10.33580/2541-9684-2019-63-2-86-94
Zhuravlev, V.I., Lukk, A.A., Midday activation of seismicity in Turkey and a number of other re-gions of the world, Geofizicheskie issledovaniya (Geophysical Research), 2011, vol. 12, no. 4, pp. 31–57. [in Russian].
Zhuravlev, V.I., Lukk, A.A., The pattern of diurnal periodicity of weak earthquakes in Iran, Izvestiya, Physics of the Solid Earth, 2012, vol. 48, no. 1, pp. 61–77. https://doi.org/10.1134/S1069351311120111
