Variations of induction vector in North America
© V.I. Babak, I.I. Rokityanskiy, A.V. Tereshyn, 2014
The results of the magnetovariational data processing of 13 observatories in North America for 24 years are presented. In addition
to the annual variation of the induction vectors, which is widely known, 11-year periodicity is found. It is a new geophysical phenomenon.
While looking for precursory signals associated with earthquakes, these periodic variations must be taken into account.
Key words: induction vector Wiese, 11 -year variation of the induction vector, earthquakes precursors.
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