novtexmechМехатроника, автоматизация, управлениеMekhatronika, Avtomatizatsiya, Upravlenie1684-64272619-1253Commercial Publisher «New Technologies»10.17587/mau/16.147-158novtexmech-138Research ArticleИНТЕЛЛЕКТУАЛЬНЫЕ ИНФОРМАЦИОННО-ИЗМЕРИТЕЛЬНЫЕ СИСТЕМЫINTELLIGENT INFORMATION AND MEASUREMENT SYSTEMSИнтеллектуальная сейсмоакустическая система выявления зоны очага ожидаемого землетрясенияIntelligent Seismic-Acoustic System for Identifying the Location of the Focus of an Expected EarthquakeПашаевА. М.PashayevA. M.info@naa.baku.azАлизадеА. А.AlizadaA. A.president@science.azАлиевТ. А.AlievT. A.telmancyber@rambler.ruАббасовА. М.AbbasovA. M.ali@elm.azГулуевГ. А.GuluyevG. A.scb_06@mail.ruПашаевФ. Г.PashayevF. G.pasha.farhad@gmail.comСаттароваУ. Э.SattarovaU. E.ulker.rzaeva@gmail.comНациональная авиационная академия АзербайджанаРоссияAzerbaijan National Academy of Aviation, Az1045, Baku, Azerbaijan RepublicRussian FederationИнститут геологии Национальной академии наук АзербайджанаРоссияAzerbaijan National Academy of Sciences, Az1001, Baku, Azerbaijan RepublicRussian FederationИнститут систем управления Академии наук АзербайджанаРоссияInstitute of Control Systems of the Azerbaijan National Academy of Sciences, Az1141, Baku, Azerbaijan RepublicRussian FederationМинистерство связи и информационных технологий АзербайджанаРоссияMinistry of Communications and High Technologies, Az1000, Baku, Azerbaijan RepublicRussian Federation201528082018163147158Copyright © Commercial Publisher «New Technologies», 20182018Commercial Publisher «New Technologies»Commercial Publisher «New Technologies»https://mech.novtex.ru/jour/about/submissions#copyrightNoticehttps://mech.novtex.ru/jour/article/view/138

Проанализированы результаты Noise-технологии мониторинга аномальных сейсмических процессов, проводимых с июля 2010 г. по июнь 2014 г. на девяти сейсмоакустических станциях, построенных на устьи скважин глубиной 10, 200, 300, 1400...5000 м. По результатам экспериментальных данных, полученных в течение более трех лет, создана интеллектуальная система, позволяющая по комбинациям времени изменения оценки взаимнокорреляционной функции между полезным сигналом и помехой сейсмоакустической информации, полученной от различных станций за 10...20 ч до землетрясения, выявить местонахождение его зоны. Система в перспективе может быть использована сейсмологами как инструментарий при определении местонахождения зоны ожидаемого землетрясения.

This paper presents a brief review of the state-of-the-art in the field of earthquake study and forecasting. We analyze the principles of the methods for determination of the coordinates of earthquake focuses by means of ground seismic stations. We demonstrate that those methods cannot be used in the system for monitoring of the beginning of the earthquake preparation process (in the network of RNM ASP stations). As we know, the beginning of the earthquake process is accompanied by spreading of noisy seismic-acoustic signals. Theoretically, the system for monitoring of the beginning of the earthquake process is based on the technologies for seismic-acoustic signal processing - Robust Noise Monitoring (RNM). The noise characteristics determined by RNM technologies indicate the beginning of the anomalous seismic processes (ASP) and, consequently, a possibility of ASP monitoring. Considering that the seismic-acoustic signal can be represented as the sum of the useful signal and noise (g = X + e), we present the technologies for determining noise characteristics. It is demonstrated in the paper that a change in the estimate of the cross-correlation function RXe(m = 0) between the useful signal Х(iDt) and the noise e(iDt), noise variance De and the value of noise correlation RXee(m = 0) determine the beginning of ASP. One RNM ASP station determines the beginning of ASP within a radius of about 500 km. Determination of the location of an expected earthquake requires a network of RNM ASP stations. We analyze the results of the noise technology-based monitoring of the anomalous seismic processes performed from July 2010 to June 2014 by nine seismic-acoustic stations built at the head of 10 m, 200 m, 300 m and 1400-5000 m deep wells. Based on the results of the experimental data obtained in the period covering over three years, an intelligent system has been built, which allows us to identify the location of the zone of an earthquake, using the combinations of time of change in the estimate of the correlation function between the useful signal and the noise of the seismic-acoustic information received from different stations 10-20 hours before the earthquake. In the long term, the system can be used by seismologists as a tool for determination of the location of the zone of an expected earthquake.

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The authors declare that there are no conflicts of interest present.