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The blast heard round the world

tonga volcano eruption
Satellite image before Hunga Tonga-Hunga Ha'apai volcano eruption. Dec 24, 2021. Credit: Maxar / Contributor / Getty

When Hunga Tonga-Hunga Ha’apai erupted on 15 January 2022 it affected the world – but we’re still learning about the extent of its influence.

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