Developments of borehole strain observation outside China |
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| Authors: | Qiu Ze-hua and Shi Yao-lin |
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| Institution: | (1) Institute of Crustal Dynamics, China Earthquake Administration, 100085 Beijing, China;(2) Graduate School of the Chinese Academy of Sciences, 100039 Beijing, China |
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| Abstract: | Borehole strain observation is playing an increasingly important role in the study on the crustal movements. It has been used
by many countries such as China, USA, Japan, Peru, Australia, South Africa, Iceland and Italy, in research fields of plate
tectonics, earthquake, volcanic eruption, dam safety, oil field subsidence, mining collapse and so on. Borehole strainmeter
has been improved rapidly and tends to get more and more components included in one probe. Based on observations by this kind
of instruments, studies on seismic strain step, slow earthquake, earthquake precursor and volcanic eruption forecasting have
made remarkable achievements. In the coming years, borehole strain observation is going to become one major goedetic means,
together with GPS and InSAR.
Foundation item: National Natural Science Foundation of China (40374011) and Joint Seismological Foundation of China (1040037). |
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| Keywords: | crustal deformation borehole strain observation borehole strainmeter |
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