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The 20 pages that link to Geomagnetic storm, each with the reason it gives.

• AuroraRelated: Strong storms can expand auroras toward lower latitudes and intensify their displays.

• MagnetosphereRelated: Storms can disrupt satellites, navigation, radio communication, and electrical power systems.

• Coronal mass ejectionRelated: An Earth-directed ejection can trigger a storm when its magnetic field couples strongly to the magnetosphere.

• Solar cycleRelated: Storm risk rises when cycle-related eruptions and fast solar wind streams reach Earth.

• Solar magnetic fieldRelated: Interplanetary magnetic fields carried by solar eruptions can intensify geomagnetic storms.

• IonosphereRelated: Storm-time particle and current changes reshape ionospheric density and radio propagation.

• Interplanetary magnetic fieldRelated: A southward interplanetary field can couple efficiently to Earth’s magnetic field and intensify storms.

• Solar physicsRelated: It is a major terrestrial consequence of intense solar activity.

• Van Allen radiation beltRelated: Storms can rapidly alter belt particle populations and intensities.

• Sunspot numberRelated: Sunspot activity offers context for interpreting the solar events that can trigger storms.

• Geomagnetic poleRelated: Its effects are often mapped by geomagnetic latitude, not distance from magnetic dip poles.

• Solar phenomenaRelated: Earth-directed coronal mass ejections can trigger severe storms.