{"id":90244,"date":"2024-11-19T13:36:55","date_gmt":"2024-11-19T13:36:55","guid":{"rendered":"https:\/\/www.africa-press.net\/rwanda\/all-news\/asteroid-that-wiped-out-dinos-triggered-megatsunami-with-mile-high-waves-3"},"modified":"2024-11-19T13:43:48","modified_gmt":"2024-11-19T13:43:48","slug":"asteroid-that-wiped-out-dinos-triggered-megatsunami-with-mile-high-waves-3","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/rwanda\/all-news\/asteroid-that-wiped-out-dinos-triggered-megatsunami-with-mile-high-waves-3","title":{"rendered":"Asteroid That Wiped Out Dinos Triggered \u2018Megatsunami\u2019 With Mile-High Waves"},"content":{"rendered":"

Africa-Press – Rwanda. <\/strong><\/span>Sixty-six million years ago, the Chicxulub asteroid struck Earth in the Gulf of Mexico, just north of what\u2019s now known as the Yucatan Peninsula. The city-sized space rock triggered a massive global tsunami that wiped out the dinosaurs. For the first time, scientists were able to simulate that Earth-shattering storm.<\/p>\n

Researchers at Purdue University used a three-dimensional computer program called a hydrocode to simulate the first minutes of the asteroid\u2019s impact 66 million years ago, including the giant crater Chicxulub left behind and the start of the ensuing tsunami.<\/p>\n

When the asteroid hit, it set off a series of \u201ccataclysmic\u201d events including global temperature shifts, wildfires and soot-filled air. Similar to what happens when you throw a ball into a puddle or pond, debris sent into the atmosphere from the impact re-entered Earth\u2019s atmosphere and \u201crained down,\u201d compounding the destruction. Then, a few days later, a tsunami with thousands of times the energy of modern tsunamis covered the globe with waves reaching over a mile high.<\/p>\n

In what\u2019s now the first-ever global simulation of the tsunami, scientists were able to use the hydrocode to reveal that the tsunami was powerful enough to wipe away the sediment record of everything before the event.<\/p>\n

Researchers believe that the asteroid impact was at least 100,000 times larger than the Tonga volcanic eruption, which was hundreds of times more powerful than the atomic bomb dropped on Hiroshima.<\/b><\/p>\n

Molly Range, lead author of the study who completed the findings as part of a master\u2019s thesis at the University of Michigan, said that the ancient tsunami \u201cwas strong enough to disturb and erode sediments in ocean basins halfway around the globe, leaving either a gap in the sedimentary records or a jumble of older sediments.\u201d<\/b><\/p>\n

Hydrocode, the computer program responsible for the simulation, was able to estimate that less than three minutes after the space rock landed in the Yucatan peninsula, rocks, sediments, and debris created a 2.8 mile high wave of water. They called this the \u201crim wave.\u201d<\/b><\/p>\n

\u201cIf you just dropped a rock in a puddle, there\u2019s that initial splash; that\u2019s the rim wave,\u201d Range explained.<\/p>\n

When this wave subsided, it created even more chaotic waves until eventually, 10 minutes after impact, a mile-high wave radiated in all directions across the ocean. \u201cIt had calmed down enough and the crater had formed,\u201d Range said.<\/p>\n

\u201cThe continents looked a little bit different,\u201d she added. \u201cMost of the East Coast of North America and the north coast of Africa easily saw 8 meter-plus waves. There was no land between North and South America, so the wave went into the Pacific.\u201d<\/p>\n

After the hydrocode simulated the first 10 minutes of the tsunami, the scientists shifted to using a pair of models developed by the US National Oceanic and Atmospheric Administration to see how the tsunami operated in oceans across the globe.<\/p>\n

In addition to helping us piece together exactly how the dinosaurs met their end, the researchers said the findings offered insight into the geology of the Cretaceous period. Ted Moore, a co-author of the study, was able to find supporting evidence of their findings in sediment layers in the oceans\u2019 plateaus at more than 100 different sites, adding confidence to their simulations.<\/p>\n

\u201cWe feel these deposits are recording the effects of the impact tsunami, and this is perhaps the most telling confirmation of the global significance of this event,\u201d Range said.<\/p>\n

The team hopes to learn more in the future about how much flooding followed the tsunamis, and how far inland the tsunami\u2019s effects could be felt.<\/p>\n

For More News And Analysis About Rwanda Follow Africa-Press<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – Rwanda. Sixty-six million years ago, the Chicxulub asteroid struck Earth in the Gulf of Mexico, just north of what\u2019s now known as the Yucatan Peninsula. The city-sized space rock triggered a massive global tsunami that wiped out the dinosaurs. For the first time, scientists were able to simulate that Earth-shattering storm. Researchers at […]<\/p>\n","protected":false},"author":84,"featured_media":90243,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,31],"tags":[758],"class_list":["post-90244","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all-news","category-miscellaneous","tag-rwanda"],"yoast_head":"\nAsteroid That Wiped Out Dinos Triggered \u2018Megatsunami\u2019 With Mile-High Waves - Rwanda<\/title>\n<meta name=\"description\" content=\"Sixty-six million years ago, the Chicxulub asteroid struck Earth in the Gulf of Mexico, just north of what\u2019s now known a ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/rwanda\/all-news\/asteroid-that-wiped-out-dinos-triggered-megatsunami-with-mile-high-waves-3\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Asteroid That Wiped Out Dinos Triggered \u2018Megatsunami\u2019 With Mile-High Waves\" \/>\n<meta property=\"og:description\" content=\"Sixty-six million years ago, the Chicxulub asteroid struck Earth in the Gulf of Mexico, just north of what\u2019s now known a ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/rwanda\/all-news\/asteroid-that-wiped-out-dinos-triggered-megatsunami-with-mile-high-waves-3\" \/>\n<meta property=\"og:site_name\" content=\"Rwanda\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-19T13:36:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-11-19T13:43:48+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/rwanda\/sites\/23\/2024\/11\/sm_1732011017.002129.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1440\" \/>\n\t<meta property=\"og:image:height\" content=\"840\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditoren\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditoren\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/rwanda\/all-news\/asteroid-that-wiped-out-dinos-triggered-megatsunami-with-mile-high-waves-3#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/rwanda\/all-news\/asteroid-that-wiped-out-dinos-triggered-megatsunami-with-mile-high-waves-3\"},\"author\":{\"name\":\"cfeditoren\",\"@id\":\"https:\/\/www.africa-press.net\/rwanda\/#\/schema\/person\/068c7ab4e9634ae78ec5d54ec46598bb\"},\"headline\":\"Asteroid That Wiped Out Dinos Triggered \u2018Megatsunami\u2019 With Mile-High Waves\",\"datePublished\":\"2024-11-19T13:36:55+00:00\",\"dateModified\":\"2024-11-19T13:43:48+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/rwanda\/all-news\/asteroid-that-wiped-out-dinos-triggered-megatsunami-with-mile-high-waves-3\"},\"wordCount\":614,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/rwanda\/all-news\/asteroid-that-wiped-out-dinos-triggered-megatsunami-with-mile-high-waves-3#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/rwanda\/sites\/23\/2024\/11\/sm_1732011017.002129.jpg\",\"keywords\":[\"Rwanda\"],\"articleSection\":[\"all news\",\"Miscellaneous\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/rwanda\/all-news\/asteroid-that-wiped-out-dinos-triggered-megatsunami-with-mile-high-waves-3#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/rwanda\/all-news\/asteroid-that-wiped-out-dinos-triggered-megatsunami-with-mile-high-waves-3\",\"url\":\"https:\/\/www.africa-press.net\/rwanda\/all-news\/asteroid-that-wiped-out-dinos-triggered-megatsunami-with-mile-high-waves-3\",\"name\":\"Asteroid That Wiped Out Dinos Triggered \u2018Megatsunami\u2019 With Mile-High Waves - 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