How a Solar Storm Detonated 4,000 Sea Mines During the Vietnam War

This is the story of how a coronal mass ejection (CME), aka solar storm, caused some unexpected effects that might sound like something from the E1 EMP.

Sources:

On the Little-Known Consequences of the 4 August 1972 Ultra-Fast Coronal Mass Ejecta: Facts, Commentary, and Call to Action (https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2018SW002024)

FPO; Mine proximity fuse; 26 February 1980; https://www.freepatentsonline.com/4190000.html

Review of GMD Impacts on High Voltage Power Grids and Recommendations (https://www.nationalacademies.org/documents/embed/link/LF2255DA3DD1C41C0A42D3BEF0989ACAECE3053A6A9B/file/DF7AE27A5D6F0F212F19DE6756CEBF94A2A8D662E71D?noSaveAs=1) (slide 14)

1972 Ultra-Fast Coronal Mass Ejecta: Facts, Commentary, and Call to Action (https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2018SW002024)

EMP & CME Effects: A Guide for Apocalypse Fiction Authors & Preppers (https://www.amazon.com/dp/B0DCG766TV/)