Sonar study shows crater made by underwater Bikini atoll A-bomb test

phys.org | 7/16/2019 | Staff
kimskims (Posted by) Level 3
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A team of researchers from the University of Delaware has mapped the seafloor where an atomic blast created a crater back in 1946 during a test. The team has given a presentation outlining their findings at this year's fall meeting of the American Geophysical Union. Using high-resolution sonar, the team created depth maps that showed not only the crater created by the blast but the test ships that were used to measure its power.

The researchers began their report by noting that the U.S. carried out 22 atomic bomb tests in and around the bikini atoll over the years 1946 to 1958. In this new effort, they attempted to map two of the atomic test sites called Able and Baker (which were part of Operation Crossroads), both offshore. The bombs were detonated underwater to learn more about their destructiveness in such an environment. Prior to detonation, captured German and Japanese ships were placed in the vicinity to see what the bomb would do to them. They described the area as "the world's first simulated nuclear battlefield." They further reported that they were unable to find any seabed evidence of the Able test, but were able to map the area where...
(Excerpt) Read more at: phys.org
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