Energetics of the Geospace Storm of April 23–24, 2023: from Solar Storm to Lithospheric Disturbance

Abstract

The aim of the paper is to assess the energy parameters of physical processes starting from the solar storm of April 21, 2023, and ending with the perturbations of the Earth’s lithosphere on April 23–24, 2023. The energy of processes in all subsystems of the Sun–interplanetary medium–magnetosphere–ionosphere–atmosphere–lithosphere system is analyzed. A comparative analysis of this storm with an extreme storm is performed. The storm of April 23–24, 2023, was unique due to the shift of the auroral zone to the midlatitudes to 50°. The international auroral brightness scale is improved. The auroral energy scale is proposed.