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The Tonga volcano according to an atomic monitoring institute dwarfed the largest recorded nuclear blasts.
Ronan Le Bras, a geophysicist with the Comprehensive Nuclear-Test-Ban Treaty Organization in Vienna, Austria, said the blast’s shock wave was so powerful, it was detected as far away as Antarctica.
NASA has said that the Tonga volcanic eruption was about 6-10 megatons, but LeBras said, “these estimates are underestimating the yield.”
However, Jim Garvin, the chief scientist at NASA’s Goddard Space Flight Center in Greenbelt, Md., is more cautious and says it will take time to get a true estimate of the eruption’s size. “When the teams all get together and put these numbers together, the energy balance will come out,” said the scientist at NASA.
The United States Airforce has detected the blast to be 700mph according to a report. Alaska had felt it even as much as hearing the blast, thousands of miles away.