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In seismology, the hypocenter of an earthquake is its point of origin below ground; a synonym is the focus of an earthquake. [3] Generally, the terms ground zero and surface zero are also used in relation to epidemics, and other disasters to mark the point of the most severe damage or destruction.
At the explosion of nuclear bombs lightning discharges sometimes occur. [40] Smoke trails are often seen in photographs of nuclear explosions. These are not from the explosion; they are left by sounding rockets launched just prior to detonation. These trails allow observation of the blast's normally invisible shock wave in the moments following ...
While a nuclear explosion can trigger an earthquake within a few tens of kilometers, earthquakes induced by explosions have been much smaller than the explosion. [3] A study on possible correlation between large nuclear tests at the Nevada Test Site and earthquakes hundreds of kilometers away in California found no peaks in seismicity at the ...
A nuclear weapon [a] is an explosive device that derives its destructive force from nuclear reactions, either fission (fission or atomic bomb) or a combination of fission and fusion reactions (thermonuclear bomb), producing a nuclear explosion. Both bomb types release large quantities of energy from relatively small amounts of matter.
The plant supplies 6% of California's power, but carries a 1 in 37,000 chance of experiencing a Chernobyl-style nuclear meltdown within five years. ... In the event of an earthquake, they need to ...
The earthquake bomb, ... which was designed to create an earthquake effect. Given the availability of nuclear weapons with surface detonating laydown delivery, ...
One of the nuclear bombs was damaged by fire but both weapons were recovered. [71] 1960's. 7 June 1960: the 1960 Fort Dix IM-99 accident destroyed a CIM-10 Bomarc nuclear missile and shelter and contaminated the BOMARC Missile Accident Site in New Jersey. 24 January 1961: the 1961 Goldsboro B-52 crash occurred near Goldsboro, North Carolina.
Earthquakes are caused mostly by the rupture of geological faults but also by other events such as volcanic activity, landslides, mine blasts, fracking and nuclear tests. An earthquake's point of initial rupture is called its hypocenter or focus. The epicenter is the point at ground level directly above the hypocenter.