Tsunami hits Tonga after giant volcano eruption. Tsunami waves caused by a giant underwater volcanic eruption have hit the Pacific country of Tonga. Social media footage showed water washing through a church and several homes, and witnesses said ash was falling over the capital, Nuku'alofa. A tsunami warning sent residents scrambling to higher ground. The eruption of the Hunga Tonga-Hunga Haʻapai volcano was heard across the South Pacific, reportedly as far as New Zealand and Australia. Tonga's

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