Tonga

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Tonga shockwave around the world

Earlier this year, an underwater volcano erupted in the island nation of Tonga. For The New York Times, Aatish Bhatia and Henry Fountain describe the effects of the eruption, which lasted for days and rippled around the world. The introductory animated globe shows the pressure wave and gives a good sense of the eruption’s massive scale. Tags: eruption, New York Times, shockwave, Tonga

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Scale of the Tonga eruption

Manas Sharma and Simon Scarr used satellite imagery to show the scale of the Tonga eruption, which spurted a 24-mile cloud that grew to 400 miles in diameter in an hour. Notice the little Manhattan in the bottom left corner in the image above. However, instead of leaving it at that, Sharma and Scarr animated the eruption over familiar geographic areas to better see how big it was. The cloud...

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Global ripple effect from underwater volcano

An underwater volcano erupted about 40 miles off the coast of the main island of Tonga. Using infrared data from the GOES satellite operated by NOAA, Mathew Barlow animated the ripple from the the source to around the world. pic.twitter.com/bYTm3p78lz — Dr. Mathew Barlow (@MathewABarlow) January 16, 2022 The filtered view, which shows band 13 data from the satellite’s sensors, typically to view cloud cover, is really something. Tags: Tonga,...

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