Contents

Geomagnetism and Aeronomy


Vol. 63, No. 1, 2023


Effect of Some Major Shallow Earthquakes (M > 6.0, Depth < 30 km) that Occurred in and Around India on the GPS-Based Total Electron Content (TEC) of the Ionosphere

Manish Awasthi, Raj Pal Singh and Devbrat Pundhir p. S1  abstract

Analysis of Ionospheric TEC Variations and Prediction of TEC during Earthquakes Using Ordinary Kriging Based Surrogate Model

R. Mukesh, Sarat C. Dass, M. Vijay, S. Kiruthiga and S. Mythili p. S22  abstract

Response of the Equatorial Ionosphere over the South American Region to 8 September 2017 Geomagnetic Storm

J. B. Fashae p. S44  abstract

Earth’s Magnetic Declination Error Influence on Wellbore Positioning in Pakistan Region and Norwegian Sea. Case Study

Shaine Mohammadali Lalji, Syed Imran Ali, Muhammad Asad and Muhammad Junaid p. S59  abstract

Preseismic Ionospheric Electric Field Irregularities Detected by the Double Probes Method

S. Makhlouf and M. Djebli p. S71  abstract

Performance Analysis of NeQuick-G, IRI-2016, IRI-Plas 2017 and AfriTEC Models over the African Region during the Geomagnetic Storm of March 2015

Jean de Dieu Nibigira, D. Venkata Ratnam and Kondaveeti Sivakrishna p. S83  abstract

Seasonal, Longitudinal, and Latitudinal Differences in the Amount of Precipitation in Russia during the Years of Maximum and Minimum of Solar Activity

V. A. Laptukhov p. S99  abstract

Parametrization of Spatial-Energy Distributions of H+ and O+ Ions of the Ring Current on the Main Phase of Magnetic Storms

A. S. Kovtyukh p. S110  abstract