Underground nuclear testing is the test detonation of nuclear weapons that is performed underground. When the device being tested is buried at sufficient...

Nuclear weapons tests are experiments carried out to determine the performance of nuclear weapons and the effects of their explosion. Nuclear testing...

Nuclear weapons testing is the act of experimentally and deliberately firing one or more nuclear devices in a controlled manner pursuant to a military...

component of the weapon is designed to penetrate soil, rock, or concrete to deliver a nuclear warhead to an underground target. These weapons would be used...

Storax Sedan was a shallow underground nuclear test conducted in Area 10 of Yucca Flat at the Nevada National Security Site on July 6, 1962, as part of...

Japan. By testing nuclear devices, Pakistan became the seventh country to publicly test nuclear weapons.: 14–15  Pakistan's second nuclear test, Chagai-II...

of India's first successful nuclear weapon test on 18 May 1974. The nuclear fission bomb was detonated in the Pokhran Test Range of the Indian Army in...

first nuclear test, detonating a plutonium-based device underground. On October 3, 2006, North Korea announced its intention to conduct a nuclear test. The...

Punggye-ri nuclear test site. South Korean authorities said the earthquake seemed to be artificial, consistent with an underground nuclear test. The USGS...

States performed nuclear weapons tests from 1945 to 1992 as part of the nuclear arms race. By official count, there were 1,054 nuclear tests conducted, including...

After the 1963 Partial Nuclear Test Ban Treaty, all testing was relegated underground, in order to prevent the dispersion of nuclear fallout. The United...

biological weapons. France is the only member of the European Union to possess independent (non-NATO) nuclear weapons. France was the fourth country to test an...

Korean nuclear test was the underground detonation of a nuclear device conducted on Monday, 25 May 2009 by North Korea. This was its second nuclear test, the...

nuclear explosions are the result of nuclear weapons testing within the upper layers of the Earth's atmosphere and in outer space. Several such tests...

test detonations of nuclear weapons except for those conducted underground. It is also abbreviated as the Limited Test Ban Treaty (LTBT) and Nuclear Test...

an underground (usually nuclear) explosion. Many such craters are commonly present at bomb testing areas; one notable example is the Nevada Test Site...

was the second instance of nuclear testing conducted by India, after the first test, Smiling Buddha, in May 1974. The test consisted of five detonations...

Chagan (Чага́н) was a Soviet underground nuclear test conducted at the Semipalatinsk Test Site on January 15, 1965. Chagan was the first and largest of...

develop and test nuclear weapons, and is one of the five nuclear-weapon states under the Treaty on the Non-Proliferation of Nuclear Weapons. The UK initiated...

straightforward visual documentation of atmospheric nuclear tests. When testing went underground, deep layers of sedimentary soil from the erosion of...

workshop underground at Natanz, IAEA says". Reuters. Reuters. Reuters. 28 April 2022. Retrieved 2 May 2022. "Iran's Nuclear Timetable: The Weapon Potential...

Weapons-grade nuclear material is any fissionable nuclear material that is pure enough to make a nuclear weapon and has properties that make it particularly...

The Comprehensive Nuclear-Test-Ban Treaty (CTBT) is a multilateral treaty to ban nuclear weapons test explosions and any other nuclear explosions, for both...

the point where underground testing was feasible. However, at this time the Riksdag prohibited research and development of nuclear weapons, pledging that...

conducted a third underground nuclear weapons test, according to the Yonhap. North Korea also said the test had used a miniaturized nuclear device with greater...

romanized: Semei-21), also known as "The Polygon", was the primary testing venue for the Soviet Union's nuclear weapons. It is located in Zhanasemey District, Abai Region...

understood to possess nuclear weapons, though only eight formally acknowledge possessing them. Five are considered to be nuclear-weapon states (NWS) under...

Cannikin was an underground nuclear weapons test performed on November 6, 1971, on Amchitka island, Alaska, by the United States Atomic Energy Commission...

for six to seven nuclear weapons per year. North Korea has also stockpiled a significant quantity of chemical and biological weapons. In 2003, North Korea...

Nuclear Testing, archived from the original on 19 December 2013, retrieved 4 March 2013 Wm Robert Johnston, PhD, Johnston Archive of Nuclear Weapons,...