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2022 Hunga-Tonga mega-tsunami simulation shows "lucky escape" for urban centres

The 2022 eruption of a submarine volcano in Tonga was more powerful than the largest U.S. nuclear explosion, according to a new study. A 15-megaton volcanic explosion from Hunga-Tonga Hunga-Ha'apai generated a mega-tsunami with waves up to 85 meters (279 feet) high one minute after the explosion of "Blast 5", and hitting Tonga's coastlines up to 45-meters high (148 feet) at ....

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