Geomagnetic Storms: An underestimated and potentially high impact disruption October 7, 2019 Jean-Paul Rodrigue Probability of a Geomagnetic Storm with a Field Change Greater than 300 Nanoteslas per Minute (22-year cycle) Share this:Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window) Post navigation Previous PostTransport Safety and Security (updated)Next PostTransportation and Disasters (updated)