Possible Cause-Effect Relationships Between Vrancea (Romania) Earthquakes and Some Global Geophysical Phenomena |
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Authors: | D Enescu B D Enescu |
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Institution: | (1) National Institute for Earth Physics, PO Box MG-2, Bucharest-Magurele, 76900, Romania |
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Abstract: | The possibility that the Earth's tides are a triggering factor of Vrancea subcrustal earthquakes is investigated in the first part of this paper. A possible correlation between Vrancea subcrustal earthquakes and geomagnetic jerks is demonstrated in the second part. The last part of the paper presents a number of results concerning a possible relationship between the regularities of strong Vrancea subcrustal seismicity and the Chandler nutation parameters. An attempt is made to integrate all of these phenomena in a more general framework that takes into account physical processes in the Earth mantle and core. A long-term prediction of the next strong Vrancea earthquake is finally attempted. |
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Keywords: | Vrancea subcrustal earthquakes Earth tides geomagnetic jerk Chandler nutation couple-impulses earthquake prediction |
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