Dictionary of Geotourism

2020 Edition
| Editors: Anze Chen, Young Ng, Erkuang Zhang, Mingzhong Tian

Underwater Eruption

Reference work entry
DOI: https://doi.org/10.1007/978-981-13-2538-0_2640

This is a volcanic eruption in an underwater environment, such as the bottoms of shallow seas, deep seas, lakes and other water bodies. When hot magma meets cold water, a vapor explosion occurs, accompanied by a non-explosive type of clastic effect. Therefore, underwater eruptions tends to produce glassy clastic rock, which is called hyaloclastite. This is a different form of volcanic eruption from eruptions on land.

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