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tsunami waves
Auckland, NEW ZEALAND — Two New Zealand-based marine geologists have been studying the Hunga volcano, to learn more about how underwater volcanos cause tsunami waves. The geologists have identified gaps in our understanding around precisely how these devastating waves are formed, after an eruption...

![Sunday was the one year anniversary of the eruption of the Hunga-Tonga-Hunga-Ha'apai volcano on 15 January 2022. Photo: Tonga Geological [Services/ EyePress News via AFP & RNZ] Hunga-Tonga-Hunga-Ha'apai volcano](https://www.samoanews.com/sites/default/files/styles/teaser/public/field/image/hunga_volcano_web.jpg?itok=eITxyYNy)