Earth is currently under bombardment from one of the most powerful geomagnetic storm categories the Sun can unleash. Thanks to a giant eruption on the Sun and a large opening in its atmosphere, we're currently experiencing G4 conditions – a severe geomagnetic storm strong enough to disrupt power grids as energy from space weather disturbances drives electric currents through Earth's magnetic field and the ground. Experts say the storm could even reach G5 levels , the extreme category