A Carrington-class event and the grid. Real, historical, and worth a sober, non-hysterical plan.
Concrete moves that lower your Vulnerability. Add any of them and we'll track it as an action on your threat list.
How-ToIf you are worried about an EMP or CME and want the absolute best preparation for this threat, you've found the right place.
Deep DiveA January 2025 program, rebranded in June 2026 - and the uncomfortable truth underneath it: an EMP, a solar storm, a cyberattack, and a saboteur all break the country the same way, through the same grid, and the cheap fix has sat untouched for a decade while China quietly installs its own copy.
PrimerA look into what coronal mass ejections really are and how they matter to preparedness.
Long transmission lines are what a geomagnetic storm couples into.
A national view — this is one of 410+ layers in Area Recon. Open it to zoom to your address, then add the hazards, infrastructure, terrain and resources around you, and read the real numbers for your county.
Explore in Area Recon →Add it to your personal threat list, score it for your own household, or pull the real hazard data for your county.
