Nuclear Test Sites

From 1945 until 1998, there have been over 2,000 nuclear tests conducted worldwide.

World Map Amchitka Island Pacific Ocean Nevada Test Site Fallon, Nevada Trinity Test Site Green Valley, Colorado Hattiesburg, Mississippi Open Sea, South Atlantic Reggan, Algeria Ekker, Algeria Novaya Zemlya Island, C.I.S. Semipalatinsk, C.I.S. Prince Edward Island, Indian Ocean Lop Nur, P.R.C. Pokharan, India Monte Bello ISland, Australia Nagasaki, Japan Hiroshima, Japan Emu Field, Australia Maraling and Woomera Test Sites, Australia Eniwetok Atoll Bikini Atoll Johnston Island Pacific Ocean CEP, Mururoa and Fangatau Atolls Christmas Island North Korea

Click on a red square to learn more about that nuclear test site.

Amchitka Island, Alaska, USA

Site of three underground nuclear tests in the 1960's and early 1970s, the Amchitka facility was closed in 1971.

Pacific Ocean

Site of various French nuclear tests.

Nevada Test Site, Nevada, USA

Established by President Truman in 1950 and now operated by the Department of Energy, the NTS has been the site of over 900 atmospheric and underground nuclear tests.

Fallon, Nevada

Site of an American test.

Trinity Site, New Mexico, USA

Site of first nuclear weapon test on July 16, 1945.

Carlsbad, New Mexico

Site of an American test.

Green Valley, Colorado

Site of an American nuclear test.

Rifle, Colorado

Site of a American nuclear test.

Hattiesburg, Mississippi

Site of several American tests.

Open Sea, South Atlantic Ocean

Site of three American nuclear rocket tests in 1958.

Reggan, Sahara Desert, Algeria

The first French nuclear device was detonated at Reggan on February 13, 1960. At the time, Algeria was a protectorate of France.

Ekker, Algeria

Site of French testing.

Novaya Zemlya Island, C.I.S.

Site of extensive Soviet atmospheric and underground testing, Novaya Zemlya was the site of the largest thermonuclear device ever tested, a 58 megaton bomb detonated on October 23, 1961.

Semipalatinsk, C.I.S.

Site of hundreds of Soviet atmospheric and underground nuclear tests. Also the site of the first Soviet nuclear test on August 29, 1949.

Prince Edward Island, Indian Ocean

Site of the South African/Israeli nuclear test.

Lop Nur, Western China

Primary nuclear test site. Site of the first Chinese atomic explosion on October 16, 1964 and first Chinese thermonuclear detonation on December 27, 1968.

Chagai Hills, Baluchistan, Pakistan

Site of the first Pakistani nuclear detonations on May 28, 1998.

Pokharan, Rajastan Desert, India

Site of the first Indian nuclear detonation on May 18, 1974. This bomb was exploded 100 meters beneath the surface. The site of the 5 nuclear tests in 1998.

Monte Bello Islands, Australia

Site of the first British nuclear weapons tests in 1952. Used for atmospheric tests until 1956.

Nagasaki, Japan

Site of the second nuclear weapon used in wartime. The Nagasaki bomb, Fat Man, was dropped three days after the bomb on Hiroshima, on August 9, 1945. It is yield was about 22 kilotons.

Hiroshima, Japan

Site of the first nuclear weapon used in wartime. The Hiroshima bomb, Little Boy, was dropped on August 6, 1945. It is yield was about 12 kilotons.

Punggye-ri Nuclear Test Site, North Korea

Site of North Korea's three nuclear tests.

Emu Field, Australia

Site of two British nuclear weapons tests.

Maralinga and Woomera Test Sites, Australia

Used in the 1950's by the British for atmospheric testing.

Eniwetok Atoll, Marshall Islands

Administered by the U.S., this island was used for nuclear testing in the late 1940's and 50's. Eniwetok was the site of the world's first thermonuclear detonation MIKE in 1952.

Bikini Atoll, Marshall Islands

Administered by the U.S., this island was used for nuclear testing in the late 1940's and 50's. Bikini Atoll was the site of BRAVO test.

Johnston Island

Administered by the United States. Site of a number of tests during the late 1950's and early 1960's.

Pacific Ocean

Site of American testing.

CEP , Mururoa and Fangatau Atolls, French Polynesia

(Le Centre d' experimentation du Pacifique) Operated by the French, the CEP is used for nuclear testing. Site of first French thermonuclear device on August 24, 1968.

Christmas Island, Kiribati

Used for British and American nuclear testing in the 1950's and early 1960's. Site of the first British thermonuclear detonation on May 15, 1957.

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National Science FoundationNational Science Digital LibraryNuclear Pathways Member SiteThis project is part of the National Science Digital Library and was funded by the Division of Undergraduate Education, National Science Foundation Grant 0434253