Tsunami advisory issued for U.S. West Coast after Tonga volcano erupts

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An underwater volcanic eruption near the Pacific nation of Tonga, causing a tsunami warning On Saturday in the islands and parts of Japan, AP reports.

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big picture: According to the Pacific Tsunami Warning Center, a tsunami advisory has also been issued for the west coast of the United States — from the Oregon and California border to the California and Mexico border — and Hawaii.

Running news: There were no immediate reports of injuries or deaths and the full extent of the damage remains unknown, per AP, due to patchy communication with the largest island, Tongatapu.


state of play: The Hunga-Tonga-Hunga-Hapai volcano erupted for the first time on Friday, sending a plume of ash 12.4 miles into the air. Radio New Zealand reports.

  • A second explosion occurred on Saturday at 5:26 p.m. local time, according to RNZ.
  • It is the latest in a series of eruptions from the Hunga Tonga-Hunga Hapai volcano, about 40 miles north of the capital.
  • King Taupo VI of Tonga was evicted from the Royal Palace after a tsunami flooded the capital Nuku’alofa, per RNZ.

Our bubble of thought Via Nerdshala’ Andrew Friedman: Meteorologists are looking at satellite images of the explosion with awe, as it looks like a nuclear explosion with tremors traveling in all directions.

  • Air pressure readings up to New Zealand and Alaska have shown evidence of these shockwaves. Small tsunami waves pounded out in all directions, hitting the coast in Hawaii on Saturday morning.
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Editor’s Note: This story has been updated based on the most recent tsunami advice.


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