1.The bermuda triangle is certainly not fixed and its effect can be experienced outside of the triangle too.
2. The disappearances are ascribed to UFO's and alien activity, city of Atlantis lost under the triangle, and various other technical, natural and geographical reasons.
3. At least 1000 lives are lost within the last 100 years. On average, 4 aircraft and 20 yachts go missing every year.