Earth’s magnetic field is quieting, finally, almost 48 hours after a surprisingly strong geomagnetic storm sparked auroras seen from the Arctic Circle to the continental USA. And during the surprisingly strong G3-class geomagnetic storm of Aug. 26th, there was action underground as well. Strong electric currents moving through the soils have been detected in the ground of Norway, which were about 10 times stronger than normal. Let’s just say that’s a pretty rare during solar minimum!

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