More than 19,000 volcanoes have been discovered under the sea

A new study has revealed over 19,000 previously unknown undersea volcanoes, or seamounts, in the world’s oceans. The discovery was made using high-resolution radar data, which can detect subtle signs of seawater mounding above a hidden seamount, tugged by its gravity. Most of these undersea volcanoes remain uncharted by sonar, and with only one-quarter of the sea floor mapped, it is impossible to know how many exist.

Previously, only a quarter of the ocean floor had been mapped by sonar, making it impossible to know how many seamounts actually exist. However, high-resolution radar data,…

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News Source: interestingengineering.com


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