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現在の単語数:
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作成日:
2022/01/16 20:14
更新日:
2025/12/09 18:13
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Sudden changes in atmospheric pressure and sonic booms were observed around the world after a massive underwater volcanic eruption near Tonga on Saturday. The Swiss-based World Meteorological Organization tweeted that "the pressure wave generated by the volcanic eruption in Tonga just went over Europe." The WMO also said, "A barometer in Switzerland measured a 2.5 hPa amplitude. These facts are reminders that we all share the same atmosphere, all around the globe." Switzerland is about 17,000 kilometers from Tonga. The US National Weather Service said changes in atmospheric pressure and booming sounds were recorded eight-and-a-half hours after the eruption in Alaska, which is 9,000 kilometers from Tonga. The head of Taiwan's weather authorities announced on Facebook that changes in atmospheric pressure were observed in Taiwan.
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