Ukrainian Antarctic Journal

No 1 (2003): Ukrainian Antarctic Journal
Articles

Morphological analysis of geomagnetic variations in preparation period of the strongest earthquake of 25 March 1998

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  • V. G. Bakhmutov,
  • F. I. Sedova,
  • T. A. Mozgova
V. G. Bakhmutov
S. I. Subbotin Institute of Geophysics of NAS of Ukraine, Kyiv
F. I. Sedova
S. I. Subbotin Institute of Geophysics of NAS of Ukraine, Kyiv
T. A. Mozgova
S. I. Subbotin Institute of Geophysics of NAS of Ukraine, Kyiv
DOI: https://doi.org/10.33275/1727-7485.1.2003.624
Published December 15, 2003
Keywords
  • earthquake,
  • geomagnetic variations,
  • PcS-pulsations,
  • Antarctica
How to Cite
Bakhmutov, V. G., Sedova, F. I., & Mozgova, T. A. (2003). Morphological analysis of geomagnetic variations in preparation period of the strongest earthquake of 25 March 1998. Ukrainian Antarctic Journal, (1), 54-60. https://doi.org/10.33275/1727-7485.1.2003.624

Abstract

An analysis of geomagnetic variations associated with the powerful earthquake on 25.03.1998 in Antarctica has been carried out. The geomagnetic variations were observed at the magnetic stations located in the different regions. The results confirm the dependence between geomagnetic activity and the main characteristics of earthquakes (M, h) in Alpian-Himalaya seismic zone, revealed by the authors earlier. The shocks occur mainly under the extreme low values of H-component. The PcS- pulsations and focal depth linear relation was confirmed. The local effect in the magnitude of the 25.03.1998 earthquake due to its focal coordinates was noted. 

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