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2018, Vol. 41

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Contents
  1. I. Aleksandrova, S. Simeonova, D. Solakov and P. Raykova – Deterministic seismic scenarios based on macroseismic intensity generated by real strong earthquakes of the past
  2. R. Bojilova – Ionospheric anomalies over Bulgaria during two geomagnetic storms
  3. M. Popova – Relations between MP and Ml magnitude scales
  4. R. Bojilova – Three geomagnetic storms in january 2005 and their impact on total electron content
  5. G. Gadzhev – Recurrence of air quality for the city of Sofia for 2013 and 2014
  6. P. Muhtarov, N. Miloshev – The ozone layer over Bulgaria in the period 1997-2018
  7. M. Metodiev, P. Trifonova – Annual report of the observed geomagnetic activity in Panagjurishte observatory for 2013
  8. E. Botev, V. Protopopova, I. Aleksandrova, B. Babachkova, S. Velichkova, I. Popova, P. Raykova, M. Popova, T. Iliev – Data and analisis of the events recorded by NOTSSI in 2015
  9. E. Botev, V. Protopopova, I. Aleksandrova, B. Babachkova, S. Velichkova, I. Popova, P. Raykova, M. Popova, T. Iliev – Data and analisis of the events recorded by NOTSSI in 2016
National Institute of Geophysics, Geodesy and Geography - Bulgarian Academy of Sciences
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