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2 356 072

(13)

(51)

IPC

G01V9/00(2006-01-01)

(21) (22)

Application

2007139601/28, 2007-10-25

(24)

Start date

2007-10-25

(22)

Actual filing date

2007-10-25

(45)

Published

2009-05-20

(72)

Inventor

Palamarchuk Vasilij Kliment'EvichGlinskaja Nadezhda ViktorovnaPrjalukhina Ljubov' Aleksandrovna

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie

METHOD OF SHORT-TERM EARTHQUAKE FORECAST BY ACOUSTIC SIGNS Russian patent published in 2009 - IPC G01V9/00

Abstract RU 2356072 C1

FIELD: physics, measurements.

SUBSTANCE: invention relates to seismology and can be used in forecasting earthquake signs parametres in water reservoirs. To this end, one- and/or three-component acoustic emission receivers are mounted in rocks natural or artificial cavities to measure acoustic oscillations. Acoustic signals are registered to isolate those with their intensities exceeding background magnitudes by kσ_bgrd> and duration of, at least, one second, while the lowest frequency of oscillations is reduced to the cavity minimum intrinsic frequency. Aforesaid signal is taken to be a sign of coming earthquake before days, hours and minutes. Note here that k=1÷3, σ_bgrd is the background signal mean square deviation.

EFFECT: higher reliability of forecasting.

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RU 2 356 072 C1

Authors

Palamarchuk Vasilij Kliment'Evich

Glinskaja Nadezhda Viktorovna

Prjalukhina Ljubov' Aleksandrovna

Dates

2009-05-20—Published

2007-10-25—Filed