In this research study, the research study team took a look at satellite, sea-level, and climatic information from all over the world and used mathematical and analytical designs to show that the tsunami was brought on by an acoustic-gravity wave that was produced by the volcano surge and that it traveled several times around the world. In their conclusions, the scientists offer an exact explanation for the tsunami that was seen around the world and make hazard-related suggestions.
” The difficult part of studying the Tonga tsunami was to quantitatively describe all the observed tsunami functions that were totally different from those of typical tsunamis”, adds Rachid Omira, specifying: “A fast-moving climatic wave able to thrill the ocean surface area and pump energy into it was our description for this tsunami that “jumped” from an ocean to another and reached the coast of Portugal 10 hours earlier than expected”.
Recommendation: “Global Tonga tsunami explained by a fast-moving climatic source” by R. Omira, R. S. Ramalho, J. Kim, P. J. González, U. Kadri, J. M. Miranda, F. Carrilho, and M. A. Baptista, 13 June 2022, Nature.DOI: 10.1038/ s41586-022-04926-4.
A tsunami is a series of waves produced by the displacement of a significant volume of water in a body of water, frequently an ocean or a big lake. The image above is an artists concept of a megatsunami.
Researchers describe an uncommon tsunami.
A brand-new study published in the journal Nature describes the procedure that produced and propagated an uncommon tsunami following the devastating surge of the Hunga Tonga-Hunga Haapai in Tonga in early 2022.
The tsunami that followed the massive eruption of the Hunga Tonga-Hunga Haapai volcano on January 15, 2022, is thought by researchers to have actually been exceptional considering that it had a worldwide reach, a faster propagation rate, suddenly high wave heights, and an unheard-of duration.
This looping video shows an umbrella cloud created by the undersea eruption of the Hunga Tonga-Hunga Haapai 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
” The violent surge of the Hunga Tonga-Hunga Haapai volcano in the South Pacific provided both visible atmospheric waves and an exceptionally fast-traveling worldwide tsunami with minimal dissipation in the far-field. This was the very first time that a volcano-triggered tsunami was internationally recorded by modern, around the world thick instrumentation, therefore offering a distinct opportunity to investigate the role of air-water coupling processes in tsunami generation and propagation” explains Rachid Omira, first author, a researcher at Instituto Dom Luiz, Faculty of Sciences of the University of Lisbon (Portugal).