Pearl Harbor, Hawaii

Credit: Credit: NASA, Posted on: Monday, 12 July 2004, 06:00 CDT Download full size image

Located on the highly populated Hawaiian island of Oahu just west of Honolulu, Pearl Harbor is the historic center of events on ‘the day that will live in infamy’ —- December 7, 1941 —- when the Japanese fleet launched a surprise air attack on Pearl Harbor and other strategic military targets on Oahu. Pearl Harbor is actually a submerged confluence of several river valleys, formed approximately 13,000 years ago during the last glacial period. During the present inter-glacial period, sea levels have risen and drowned this valley. Today, Pearl Harbor provides natural drainage for several streams leading down from the two northwest-trending mountain ranges, the Waianae Range on the east of the island and the Ko’olau Range on the west, eventually leading to Mamala Bay.

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