A rapid stability assessment of China's IGS sites after the Ms7. 0 Lushan earthquake

A rapid and accurate assessment of the stability of surveying and mapping reference points is important for post – disaster rescue, disaster relief and reconstruction activities. Using Precise Point Positioning (PPP) technology, a rapid assessment of the stability of the IGS sites in China was perfo...

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Bibliographic Details
Published inGeodesy and Geodynamics Vol. 4; no. 2; pp. 11 - 15
Main Authors Jie, Meng, Yongxiang, Chen, Xin, Wan, Yingli, Zhang
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.05.2013
KeAi Communications Co., Ltd
Subjects
IGS site
Lushan Ms 7.0 earthquake
precise point positioning
stability analysis
IGS site
precise point positioning
stability analysis
Lushan Ms 7.0 earthquake
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Summary:A rapid and accurate assessment of the stability of surveying and mapping reference points is important for post – disaster rescue, disaster relief and reconstruction activities. Using Precise Point Positioning (PPP) technology, a rapid assessment of the stability of the IGS sites in China was performed after the Ms 7. 0 Lushan earthquake using rapid precise ephemeris and rapid precise satellite clock products. The results show that the earthquake had a very small impact and did not cause significant permanent deformation at the IGS sites. Most of the sites were unaffected and remained stable after the earthquake.
ISSN:1674-9847
DOI:10.3724/SP.J.1246.2013.02011