The DEFCON Warning System

Ongoing Geointel and Analysis in the theater of nuclear war. Established 1984

Injecting Electromagnetic Pulses into the Electric Grid and Infrastructure: The Poor Man’s EMP Nuke

The United States has experienced disruptions from electromagnetic pulses (EMP) due to high-altitude hydrogen bomb explosions and also space weather. The first time that this occurred with the hydrogen bomb was the starfish test detonation experiment. This explosion was over 800 miles away from Hawaii, and it still disrupted many electrical devices. Solar storms also create EMP events that upset these devices. These storms come about from solar flares and coronal mass discharges from the sun.

There is a way for a novice or terrorist to generate an EMP that can disrupt a computer.

The United States has underestimated the ability of an amateur or terrorist to launch an EMP attack on the infrastructure or the electric grid. In addition to the phenomena introduced above, a Tesla coil or Marx generator can easily supply the EMP to disable the infrastructure or a part of the electric grid. Another device that can be an EMP source is the camera flash. This device may be an issue if a terrorist connects it to the wiring of a fly-by-wire jet.

What is an EMP?

An EMP is a high energy, very short duration (in the microsecond range) discharge of radiofrequency energy. This event disables electromechanical devices, but it’s particularly toxic at lower energy levels to microprocessors and computers. It can be created by a hydrogen bomb explosion at an altitude far above the surface of the Earth. A Marx generator or Tesla coil can also generate it. Other sources of EMP can be naturally occurring phenomena: Lightning, solar flares, and coronal mass discharges from the Sun can also produce EMP.

Natural Phenomena That Produce EMP

When most people think of the naturally occurring event that creates an EMP, they typically think of lightning. The other phenomena that create

EMP are solar storms. Space weather can be created by a prominent solar flare or a coronal mass ejection. This is a slow-moving, multi-billion-ton cloud of plasma that contains electrons and protons. In Québec in 1989, a blackout was blamed on a massive solar storm. In July 2012, we had a large solar storm, and it was twice the size as the event that caused the 1989 Québec blackout. The most significant solar storm was the Carrington event of 1859. At the time of this event, we did not have radio or other modern conveniences like cell phones. We did have telegraph stations that used wires on telephone poles and acted as a large antenna. If a storm of this magnitude happened today, we would probably be set back to the Stone Age.

Read more at the Military, Cyber Professionals Association

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Ongoing Geointel and Analysis in the theater of nuclear war.

© 2023 The DEFCON Warning System. Established 1984.

The DEFCON Warning System is a private intelligence organization which has monitored and assessed nuclear threats by national entities since 1984. It is not affiliated with any government agency and does not represent the alert status of any military branch. The public should make their own evaluations and not rely on the DEFCON Warning System for any strategic planning. At all times, citizens are urged to learn what steps to take in the event of a nuclear attack.