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2002•Northwestern Seismological JournalRequires access

OBSERVATION ACCURACY AND SEISMIC PRECURSOR ANOMALIES OF VERTICAL PENDULUM TILTMETERS IN XINJIANG

Yang You

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Abstract

The systematic analysis to works of the vertical pendulum tiltmeters in Xinjiang region in nearly 10 years is given.The result shows that this kind of tiltmeter has high observation accuracy,is easy to mainten and low to power consumption.As the conparison,the observation quality of downhole tiltmeter is better than one in cave because it is not easy to be disturbed.Before many earthquakes there are medium and short term seismic precursor anomolies in data of the tiltmeters.

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What this paper is about

The systematic analysis to works of the vertical pendulum tiltmeters in Xinjiang region in nearly 10 years is given.The result shows that this kind of tiltmeter has high observation accuracy,is easy to mainten and low to power consumption.As the conparison,the observation quality of downhole tiltmeter is better than one in cave because it is not easy to be disturbed.Before many earthquakes there are medium and short term seismic precursor anomolies in data of the tiltmeters.

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Available abstract

The systematic analysis to works of the vertical pendulum tiltmeters in Xinjiang region in nearly 10 years is given.The result shows that this kind of tiltmeter has high observation accuracy,is easy to mainten and low to power consumption.As the conparison,the observation quality of downhole tiltmeter is better than one in cave because it is not easy to be disturbed.Before many earthquakes there are medium and short term seismic precursor anomolies in data of the tiltmeters.

Key concepts: Tiltmeter, Geology, Pendulum, Seismology, Geodesy, Physics, Amplitude, Optics

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