期刊
SCIENCE
卷 306, 期 5695, 页码 476-478出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1101875
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With high-resolution continuous gravity recordings from a regional network of superconducting gravimeters, we have detected permanent changes in gravity acceleration associated with a recent large earthquake. Detected changes in gravity acceleration are smaller than 10(-8) meters seconds(-2) (1 micro-Galileo, about 10(-9) times the surface gravity acceleration) and agree with theoretical values calculated from a dislocation model. Superconducting gravimetry can contribute to the studies of secular gravity changes associated with tectonic processes.
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