For years, scientists have puzzled over Bermuda's unusual elevation above the Atlantic Ocean floor. Recent research led by William Frazer, a seismologist at Carnegie Science, and Jeffrey Park from Yale University, has provided insight into this mystery. Their study reveals that Bermuda is supported by a unique geological structure, distinct from typical volcanic islands formed above mantle plumes. Instead of a plume, Bermuda's buoyancy is attributed to a thick layer of less dense rock, known as underplating, located more than 12 miles beneath the oceanic crust. This layer, which formed during Bermuda's volcanic activity tens of millions of years ago, helps maintain the island's height of approximately 1,600 feet above the ocean floor. The researchers employed seismic waves from large earthquakes to analyze the geological composition beneath Bermuda, leading to these groundbreaking findings. Frazer emphasized the importance of this discovery, suggesting that it may indicate other convective processes within Earth's mantle that remain poorly understood. The results of this research have been published in the journal Geophysical Research Letters, and Frazer is now investigating whether similar geological features exist beneath other islands.