Scientists explain an unusual tsunami. A new study published in the journal Nature describes the process that produced and propagated an unusual tsunami following the catastrophic explosion of the Hunga Tonga-Hunga Ha'apai in Tonga in early 2022. The tsunami that followed the massive eruption of
A tsunami is a series of waves created by the displacement of a significant volume of water in a body of water, often an ocean or a big lake. The photo above is an artist’s concept of a megatsunami.describes the process that produced and propagated an unusual tsunami following the catastrophic explosion of the Hunga Tonga-Hunga Ha’apai in Tonga in early 2022.
This looping video shows an umbrella cloud generated by the underwater eruption of the Hunga Tonga-Hunga Ha’apai volcano on Jan. 15, 2022. The GOES-17 satellite captured the series of images that also show crescent-shaped shock waves and lightning strikes. Credit: NASA Earth Observatory image by Joshua Stevens using GOES imagery courtesy of NOAA and NESDIS
In this study, the research team looked at satellite, sea-level, and atmospheric data from all over the world and used numerical and analytical models to show that the tsunami was caused by an acoustic-gravity wave that was generated by the volcano explosion and that it traveled several times across the globe. In their conclusions, the scientists provide an exact explanation for the tsunami that was witnessed around the world and make hazard-related recommendations.
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