Answer: Hunga Tonga-Hunga Ha’apai is a volcanic island, one of Tonga’s Polynesian archipelago of 176 islands. On Jan. 15, 2022, the underwater volcano erupted, causing a Pacific-wide tsunami of about 1 meter (3 feet) that smashed boats in New Zealand, caused an oil spill and two drownings in Peru, and coated Tonga with acidic (but…

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