Contents
Maria Chamati – The geomagnetic storm on November 3–4, 2021: Spectral characteristics in ULF range at mid latitudes
Maria Chamati – Investigation of the ULF geomagnetic noise recorded on May 1, 2020 at Panagjurishte Geomagnetic Observatory
Mariya Popova, Emil Oynakov, Jordan Milkov, Valentin Buchakchiev – Seismicity on the territory of Bulgaria and the adjacent lands recorded by NOTSSI in 2022
Plamen Mukhtarov, Rumiana Bojilova – Forecasting the critical frequencies of the ionosphere over Bulgaria in 2022
Metodi Metodiev, Petya Trifonova – Annual report of the observed geomagnetic activity at Panagjurishte Observatory for 2018
Emil Oynakov, Irena Aleksandrova, Mariya Popova – Comparison of four earthquake declustering methods applied to the homogeneous earthquake catalog for Bulgarian and adjacent regions (1981–2019)
Emil Oynakov, Irena Aleksandrova, Mariya Popova, Boyko Ranguelov – Seismic tomography model of earth crust of SW Bulgaria and surroundings
Mariya Popova – Assessment of aftershock seismic regime parameters for earthquakes with magnitude Mw > 6 in the spatial window 18°–30° E / 34°–42° N
Plamena Raykova, Stela Simeonova, Dimcho Solakov – Temporal distribution of aftershock activity after the February 2018 earthquake occurred in the area of the city of Asenovgrad, Maritsa seismogenic zone