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   around      around      at      away      from      in      in      in      in      in      in      in      of      of      of      on      on      under  
A team scientists has said the volcano that erupted the sea near Tonga January set a record. The Tonga-Hunga Ha'apai volcano erupted January the 15th. It was the biggest explosion ever recorded using modern instruments and technology. It was also the biggest to happen the past 150 years. The scientists said the blast may have been as large as the Krakatoa eruption that took place Indonesia in 1883. Dr Robin Matoza the University of California said: "Tonga was a truly global event, just as Krakatoa was. But we've now got all these geo-physical [recording] systems, and they recorded something that was really [unmatched] the modern data."

The volcanic eruption sent atmospheric shock waves and tsunami waves the world. It also caused sonic booms that people heard 10,000km in Alaska. The eruption even lifted clouds the sky above the UK, which is 16,500km from Tonga. Scientists the UK reported the sudden disappearance clouds as they moved higher into the atmosphere. UK scientist Professor Giles Harrison said the atmosphere was "a remarkably interconnected thing". He said: "What happens one side the planet can [spread] to the other side the speed of sound." NASA has said the volcano's effects also reached space and could have affected the weather space.

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