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Deformation forerunners of earthquakes triggered off by development of hydrocarbon accumulations |
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| Authors: | A Yu Kashnikov S G Ashikhmin V G Bukin S V Grishko I V Getmanov S L Odintsov A V Gorbatikov |
| Affiliation: | 1.Perm Sate Technical University,Perm,Russia;2.Gazprom Dobycha Astrakhan LTD.,Astrakhan,Russia;3.Institute of Physics of the Earth,Russian Academy of Sciences,Moscow,Russia |
| Abstract: | The geodetic observations over the Astrakhan Gas Condensate Field make good grounds to predicate that a mining-induced seismic event is preceded by uplifting of the land surface and followed with intensive subsidence of the ground due to unloading of rocks from effective stresses. The uplifts of the earth surface may be assumed a deformation forerunner of an earthquake and utilized in forecasting the place and time of seismic events at oil and gas fields. |
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