FIGURE. “Large-scale current systems in the magnetosphere. An enlargement of the Earth showing the auroral oval, auroral electrojet currents, and the large-scale Region 1 (more poleward) and Region 2 (more equatorward) currents bounding the high-latitude polar cap is shown in the background.”
https://link.springer.com/article/10.12942/lrsp-2007-1