{"id":210980,"date":"2025-12-25T23:50:14","date_gmt":"2025-12-25T23:50:14","guid":{"rendered":"https:\/\/www.newsbeep.com\/ie\/210980\/"},"modified":"2025-12-25T23:50:14","modified_gmt":"2025-12-25T23:50:14","slug":"a-satellite-caught-a-tsunami-live-and-what-it-recorded-shocked-scientists","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/ie\/210980\/","title":{"rendered":"A satellite caught a tsunami live\u2014and what it recorded shocked scientists"},"content":{"rendered":"

For the first time ever, an exceptionally powerful tsunami has been observed from space in stunning detail. The feat, made possible by a satellite that wasn\u2019t even designed for this purpose, has revealed wave behavior that challenges one of the core principles of tsunami science.<\/p>\n

Launched in 2022 by NASA and France\u2019s CNES space agency, the SWOT (Surface Water and Ocean Topography) satellite was originally built to map variations in water height and track low-intensity ocean currents. But on July 29, 2025, something extraordinary happened: an 8.8-magnitude earthquake<\/a> struck the Kuril\u2013Kamchatka subduction zone off Russia\u2019s Pacific coast \u2014 just as SWOT was passing overhead.<\/p>\n

\"\"<\/p>\n

Visualization of the tsunami front using sea surface height measurements captured by SWOT. \u00a9 NASA\/JPL-Caltech<\/p>\n

A satellite\u2019s view of a living wave<\/p>\n

For the first time, scientists were able to follow a tsunami from its birth to its full expansion across the ocean. SWOT\u2019s unprecedented resolution, combined with data from three DART (Deep-ocean Assessment and Reporting of Tsunamis) buoys, offered a complete picture of the wave\u2019s evolution from start to finish.<\/p>\n

A surprisingly complex pattern<\/p>\n

Until now, models suggested that large tsunamis behave as single, coherent waves that move across the ocean without breaking apart. But SWOT\u2019s readings told a different story.<\/p>\n

The data showed the wave splitting into several parts \u2014 a massive front wave followed by a train of smaller ones. This intricate structure, captured across a swath nearly 120 kilometers wide, was something no earlier satellite<\/a> could have detected. Previous systems offered only isolated data points or narrow cross-sections.<\/p>\n

\"\"<\/p>\n

Tsunami SWOT data: the star marks the hypocenter. The first wave, in red, exceeded 45 cm in height. \u00a9 Ruiz-Angulo et al., TSR, 2025<\/p>\n

\u201cI see SWOT data as a new pair of glasses,\u201d said Angel Ruiz-Angulo, an oceanographer at the University of Iceland and lead author of the study. \u201cDART systems gave us point readings. Earlier satellites could, at best, cut across the wave along a thin line.\u201d<\/p>\n

A breakthrough for future tsunami alerts<\/p>\n

The implications go far beyond a single event. With measurements like these, SWOT could become a vital early-warning tool, helping scientists detect tsunamis as soon as they form and track their paths in real time.<\/p>\n

By refining propagation models, researchers hope to give coastal communities precious minutes of advance warning \u2014 time that can mean the difference between safety and disaster.<\/p>\n

The study, published in The Seismic Record, marks a turning point in how we understand and monitor these colossal forces of nature. With SWOT\u2019s \u201cnew eyes,\u201d scientists are now seeing the ocean\u2019s hidden dynamics like never before \u2014 and rewriting what we thought we knew about waves<\/a> themselves.<\/p>\n

\"\"<\/p>\n

C\u00e9cile Breton<\/p>\n

Journalist<\/p>\n

Since childhood, books, photography, and travel have been part of my world. Fascinated by life, by the stars, by landscapes that tell stories without a single word, I quickly realized that I needed to express what I saw and felt.<\/p>\n

Passionate about the world around me, I first pursued a degree in History at university, driven by my fascination with the stories of the past and the great civilizations that shaped our world. But over the years, another truth became clear: I didn\u2019t want to spend my life in archives or research. I wanted to be out in the field, behind a camera or in front of a microphone, sharing what I learned.<\/p>\n

So, I took a new path. I chose journalism, to learn how to tell stories differently\u2014with rigor and clarity. I learned how to write, to interview, to edit, to capture both attention and emotion.<\/p>\n

Giving meaning and sharing what matters<\/p>\n

Since then, I\u2019ve worked across different media: print, web, radio, television, and video. All of this has allowed me to bring to life topics that matter deeply to me: nature, animals, space, and the major environmental and human issues of our time.<\/p>\n

Today, I continue my journey as a journalist at Futura. As part of the editorial team, I strive to share knowledge with curiosity, clarity, and passion. My guiding thread? To make visible what deserves to be seen, understood, and shared\u2014and to keep my sense of wonder alive.<\/p>\n","protected":false},"excerpt":{"rendered":"For the first time ever, an exceptionally powerful tsunami has been observed from space in stunning detail. The…\n","protected":false},"author":2,"featured_media":210981,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[61,60,82,247],"class_list":{"0":"post-210980","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-space","8":"tag-ie","9":"tag-ireland","10":"tag-science","11":"tag-space"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/210980","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/comments?post=210980"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/210980\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media\/210981"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media?parent=210980"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/categories?post=210980"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/tags?post=210980"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}