SURFRCE ELEVRTIBN PIT 28.68 



TIME tH0un9} 



SURFRCE ELEVRTIBN nT 30.56 



1 (b 



TIME (HBURSl 



SURFHCE E1_EVRTI0N nT 22.62 



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TIME (l-IBun9> 



SURPnCE EI_EVRTI0N RT 18.44 



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TIME IHBURS) 



Figure 5.17. Transient variation of surface displacement at four stations 

 from 9/01/80 to 9/06/80. 



92 



