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New mystery surrounding the Bermuda Triangle/ A giant structure hidden beneath the island is discovered

2025-12-17 17:06:00, Kuriozitete CNA

New mystery surrounding the Bermuda Triangle/ A giant structure hidden beneath

Everyone knows the mysterious stories of the Bermuda Triangle, where ships and planes disappear. But now scientists have discovered a real mystery beneath the island of Bermuda.

A new study has found that beneath the island's crust (the Earth's upper crust) lies a 20-kilometer-thick layer of rock. It is less dense than the surrounding rocks. This layer lifts the island up like a raft. Such a level is not seen anywhere else on Earth.

William Fraser, a seismologist at Carnegie Sciences, and Jeffrey Park of Yale University studied seismic waves from 396 earthquakes. These waves travel through the Earth, stopping or deflecting at different density levels.

Using data from a seismic station in Bermuda, they captured images up to 50 kilometers beneath the island. Normally, the mantle (the warm inner layer of the Earth) begins beneath the oceanic crust. Bermuda has an extra layer between the crust and the mantle.

This layer is about 1.5% less dense than the surrounding crust. So it's light and keeps the island floating.

Bermuda is a volcanic island. However, there has been no volcanic activity for more than 30 million years. Normally, when volcanoes close, the crust cools and sinks. But Bermuda did not sink. It is 500 meters above sea level.

Scientists believe this layer was formed during a recent volcanic eruption. Hot rock from the mantle entered the crust and solidified there. This is called the 'underlayer'. Because this layer is less dense, it keeps the island afloat.

The study is published in the journal Geophysical Research Letters./CNA 





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