The electromagnetic fields under, on and up Earth surface as earthquakes precursor in the Balkans and Black Sea regions

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/84575It is demonstrate that the analysis of accuracy measurement of geomagnetic field and the behavior of local tide gravitational potential can serve as an earthquake precursor10 pages, 5 figuresGeophysicsAtmospheric and Oceanic PhysicsThe electromagnetic fields under, on and up Earth surface as earthquakes precursor in the Balkans and Black Sea regionstext