On April 18, 1947 British engineers attempted to destroy the entire island in what became known as the "British Bang". Roughly 4,000 long tons (4,100 t) of surplus World War II ammunition were placed in various locations around the island and set off. The island survived, although the extensive fortifications were destroyed. According to Willmore, the energy released was 13,000,000,000E10 erg (1.3×1013 J), or about 3.2 kilotons of TNT equivalent. The blast is listed in the Guinness Book of World Records under largest single explosive detonation, although Minor Scale would appear to be larger.
Military - Damage
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By: kjfitz
The crater from the Big Bang is, were now the hospital of the island stands, more to the southeast near the harbor.