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I think that in the Bermuda Triangle, there are waves that reach 30 meters. Or there is the anomalous magnetic field. Because in 1945, the American pilots, crashed due to disruption of navigational equipment

I think that in the Bermuda Triangle, there are waves that reach the height of 30 meters or there are anomalities in the magnetic field, because in 1945, American pilots crashed there due to the disruption in their navigational equipment operation.

Мне не нравится порядок слов в начале, я бы сказал : "I think, there are waves in Bermuda Triangle, that reach 30 meters". И еще смущает слово disruption, я бы заменил на issues или defects.