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This satellite image shows an intact Hunga Tonga-Hunga Ha’apai in April 2015, years before an explosive underwater volcanic eruption obliterated most of the Polynesian island in January 2022. Credit: NASA Earth Observatory image by Jesse Allen, using Landsat data from the U.S. Geological Survey

This satellite image shows an intact Hunga Tonga-Hunga Ha’apai in April 2015, years before an explosive underwater volcanic eruption obliterated most of the Polynesian island in January 2022. Credit: NASA Earth Observatory image by Jesse Allen, using Landsat data from the U.S. Geological Survey