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- Elugelab, or Elugelap (Marshallese: Āllokļap, [ællʲoɡʷ(o)lˠɑpʲ]), was an island, part of the Enewetak Atoll in the Marshall Islands. It was destroyed by the world's first true hydrogen bomb test on 1 November 1952, a test which was codenamed shot "Mike" of Operation Ivy. Prior to being destroyed, the island was described as "just another small naked island of the atoll". The fireball created by Ivy Mike had a maximum diameter of 5.8 to 6.56 km (3.60 to 4.08 mi). This maximum is reached a number of seconds after the detonation and during this time the hot fireball invariably rises due to buoyancy. While still relatively close to the ground, the fireball had yet to reach its maximum dimensions and was thus approximately 5.2 km (3.2 mi) wide. The detonation produced a crater 1.9 km (6,200 ft) in diameter and 50 m (160 ft) deep where Elugelab had once been; the blast and water waves from the explosion (some waves up to 6.1 m (20 ft) high) stripped the test islands clean of vegetation, as observed by a helicopter survey within 60 minutes after the test, by which time the mushroom cloud had blown away. The island "became dust and ash, pulled upward to form a mushroom cloud that rose about twenty-seven miles into the sky." The outcome of the test was reported to incoming president Eisenhower by Atomic Energy Commission Chairman, Gordon Dean, as follows: “The island of Elugelab is missing!”. According to Eric Schlosser, all that remained of Elugelab was a circular crater filled with seawater, more than a mile in diameter and "fifteen stories deep". The blast yielded 10.4 megatons of explosive energy, 700 times the energy that leveled central Hiroshima. Aerial footage of Elugelab and adjacent islands well before Mike shot at a time prior to the connecting causeway being created is available, as is footage after the causeway was finished that supported the diagnostic Krause-Ogle box light pipe system, with numerous trees removed in preparation of the shot also plainly evident, along with footage of the aforementioned helicopter survey of the Mike crater soon after the detonation, and finally, high-altitude footage of the crater accompanied with details of its depth – "175 feet deep" – equivalent to the height of a "17-storey building" and with an area large enough to accommodate about "14 Pentagon buildings". The detonation also collapsed some natural crevices in the reef, some distance away from the rim of the crater. Full radioecology recovery surveys were documented before and after each test series. (en)
- Elugelab (oder Elugelap, Eluklab auf der nebenstehenden Karte) war eine Insel im Eniwetokatoll der Marshallinseln. Die rund 500 Meter lange und halb so breite Insel wurde durch einen Versuch im Rahmen der Operation Ivy zur Entwicklung von Wasserstoffbomben am 1. November 1952 vollständig zerstört. Die Versuchsanordnung mit dem Namen Ivy Mike hatte eine Sprengkraft von 10,4 Megatonnen TNT-Äquivalent, etwa 750-mal so viel wie die Bombe Little Boy, die Hiroshima zerstörte.
* Eniwetok-Atoll, vor Mike-Explosion. Elugelab links zu erkennen.
* Eniwetok-Atoll, nach Mike-Explosion. Krater links zu erkennen. (de)
- Elugelab, ou Elugelap (du marshallais Āllokļap), était un îlot de l'atoll d'Eniwetok situé aux îles Marshall dans l'océan Pacifique. Cet îlot est connu pour avoir été le lieu d'essai de la première bombe à hydrogène Ivy Mike par les États-Unis. (fr)
- エルゲラブ島(Elugelab island)は、マーシャル諸島のエニウェトク環礁の島の一つである。エルゲラブ島は、1952年11月1日に行われた世界最初の水素爆弾の実験（アイビー作戦の）によって破壊された。この水素爆弾は、10.4メガトン以上の爆発（広島型原子爆弾の750倍 ）だった。 (ja)
- 엘루겔라브섬(Elugelab island)은 마셜 제도 에네웨타크 환초에 속한 섬이다. 1952년 11월 1일 수소 폭탄 실험으로 인해 파괴되었으며 당시에 사용된 수소 폭탄의 폭발 위력은 10.4메가톤 이상(히로시마·나가사키 핵폭격의 750배)에 달했다. (ko)
- Elugelab era il nome di una delle isole costituenti Enewetak, atollo delle Isole Marshall. (it)
- Site of vaporized island Elugelab är en ö i Marshallöarna. Den ligger i kommunen Enewetak, i den västra delen av Marshallöarna, 1 100 km nordväst om huvudstaden Majuro. Savannklimat råder i trakten. Årsmedeltemperaturen i trakten är 22 °C. Den varmaste månaden är januari, då medeltemperaturen är 24 °C, och den kallaste är februari, med 22 °C. Genomsnittlig årsnederbörd är 1 337 millimeter. Den regnigaste månaden är juli, med i genomsnitt 259 mm nederbörd, och den torraste är december, med 26 mm nederbörd. (sv)
- Elugelab (lub Elugelap) – nieistniejąca już wysepka w atolu Eniwetok w łańcuchu Ralik Chain archipelagu Wysp Marshalla, zniszczona w wyniku pierwszego próbnego wybuchu bomby wodorowej w dniu 1 listopada 1952 roku w ramach operacji Ivy. (pl)
- 伊魯吉拉伯島是太平洋馬紹爾群島的島嶼，屬於拉利克礁鏈中埃內韋塔克環礁的一部分，在1952年11月1日的氫彈常春藤麦克測試中被摧毀只剩下彈坑，那次爆炸威力1,040萬噸，約廣島市原子彈爆炸的750倍。 (zh)
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- Elugelab, ou Elugelap (du marshallais Āllokļap), était un îlot de l'atoll d'Eniwetok situé aux îles Marshall dans l'océan Pacifique. Cet îlot est connu pour avoir été le lieu d'essai de la première bombe à hydrogène Ivy Mike par les États-Unis. (fr)
- エルゲラブ島(Elugelab island)は、マーシャル諸島のエニウェトク環礁の島の一つである。エルゲラブ島は、1952年11月1日に行われた世界最初の水素爆弾の実験（アイビー作戦の）によって破壊された。この水素爆弾は、10.4メガトン以上の爆発（広島型原子爆弾の750倍 ）だった。 (ja)
- 엘루겔라브섬(Elugelab island)은 마셜 제도 에네웨타크 환초에 속한 섬이다. 1952년 11월 1일 수소 폭탄 실험으로 인해 파괴되었으며 당시에 사용된 수소 폭탄의 폭발 위력은 10.4메가톤 이상(히로시마·나가사키 핵폭격의 750배)에 달했다. (ko)
- Elugelab era il nome di una delle isole costituenti Enewetak, atollo delle Isole Marshall. (it)
- Site of vaporized island Elugelab är en ö i Marshallöarna. Den ligger i kommunen Enewetak, i den västra delen av Marshallöarna, 1 100 km nordväst om huvudstaden Majuro. Savannklimat råder i trakten. Årsmedeltemperaturen i trakten är 22 °C. Den varmaste månaden är januari, då medeltemperaturen är 24 °C, och den kallaste är februari, med 22 °C. Genomsnittlig årsnederbörd är 1 337 millimeter. Den regnigaste månaden är juli, med i genomsnitt 259 mm nederbörd, och den torraste är december, med 26 mm nederbörd. (sv)
- Elugelab (lub Elugelap) – nieistniejąca już wysepka w atolu Eniwetok w łańcuchu Ralik Chain archipelagu Wysp Marshalla, zniszczona w wyniku pierwszego próbnego wybuchu bomby wodorowej w dniu 1 listopada 1952 roku w ramach operacji Ivy. (pl)
- 伊魯吉拉伯島是太平洋馬紹爾群島的島嶼，屬於拉利克礁鏈中埃內韋塔克環礁的一部分，在1952年11月1日的氫彈常春藤麦克測試中被摧毀只剩下彈坑，那次爆炸威力1,040萬噸，約廣島市原子彈爆炸的750倍。 (zh)
- Elugelab, or Elugelap (Marshallese: Āllokļap, [ællʲoɡʷ(o)lˠɑpʲ]), was an island, part of the Enewetak Atoll in the Marshall Islands. It was destroyed by the world's first true hydrogen bomb test on 1 November 1952, a test which was codenamed shot "Mike" of Operation Ivy. Prior to being destroyed, the island was described as "just another small naked island of the atoll". The detonation also collapsed some natural crevices in the reef, some distance away from the rim of the crater. Full radioecology recovery surveys were documented before and after each test series. (en)
- Elugelab (oder Elugelap, Eluklab auf der nebenstehenden Karte) war eine Insel im Eniwetokatoll der Marshallinseln. Die rund 500 Meter lange und halb so breite Insel wurde durch einen Versuch im Rahmen der Operation Ivy zur Entwicklung von Wasserstoffbomben am 1. November 1952 vollständig zerstört. Die Versuchsanordnung mit dem Namen Ivy Mike hatte eine Sprengkraft von 10,4 Megatonnen TNT-Äquivalent, etwa 750-mal so viel wie die Bombe Little Boy, die Hiroshima zerstörte.
* Eniwetok-Atoll, vor Mike-Explosion. Elugelab links zu erkennen.
* (de)
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