{"id":64887,"date":"2024-09-30T15:48:26","date_gmt":"2024-09-30T15:48:26","guid":{"rendered":"https:\/\/www.africa-press.net\/liberia\/all-news\/earths-magnetic-field-is-acting-strange-scientists-arent-sure-why"},"modified":"2024-09-30T16:17:44","modified_gmt":"2024-09-30T16:17:44","slug":"earths-magnetic-field-is-acting-strange-scientists-arent-sure-why","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/liberia\/all-news\/earths-magnetic-field-is-acting-strange-scientists-arent-sure-why","title":{"rendered":"Earth\u2019s Magnetic Field is Acting Strange \u2013 Scientists Aren\u2019t Sure Why"},"content":{"rendered":"

Africa-Press – Liberia. <\/strong><\/span>The magnetic poles are moving quickly, going away from Canada towards Siberia, yet geologists cannot determine why the change is so sudden and dramatic.<\/p>\n

On 15 January, scientists from the United States\u2019 National Geospatial-Intelligence Agency (NGA) and the United Kingdom\u2019s Defence Geographic Centre (DGC) were set to update the World Magnetic Model, which describes the planet\u2019s magnetic field and underlies all modern navigation, from the systems that steer ships at sea to Google Maps on smartphones, as the current model appeared to be inaccurate, Nature journal reported.<\/p>\n

The most recent version of the model was constructed in 2015 and was supposed to last until 2020, however, the magnetic field is changing so rapidly that the researchers have to do it now.<\/p>\n

\u201cThe error is increasing all the time,\u201d says Arnaud Chulliat, a geomagnetist at the University of Colorado Boulder and the National Oceanic and Atmospheric Administration\u2019s (NOAA\u2019s) National Centers for Environmental Information.<\/p>\n

The reason for the shift is found within the Earth \u2014 liquid churning in Earth\u2019s core generates most of the magnetic field. The flows tend to change over time \u2014 in 2016 part of the magnetic field temporarily accelerated deep under northern South America and the eastern Pacific Ocean. Satellites like the European Space Agency\u2019s Swarm mission tracked the shift.<\/p>\n

The World Magnetic Model was in trouble by early 2018 as researchers from NOAA and the British Geological Survey in Edinburgh revealed that the model was inaccurate to the point that navigational errors could become possible.<\/p>\n

The 2016 geomagnetic pulse beneath South America and the motion of the north magnetic pole made the situation worse. The north magnetic pole has been shifting steadily from the Canadian Arctic towards Siberia for years. However, it has picked up speed, from around 15 kilometres per year to around 55 kilometres per year in the last few decades.<\/p>\n

\u201cThe fact that the pole is going fast makes this region more prone to large errors,\u201d says Chulliat.<\/p>\n

Scientists are planning to update the model, however it might be problematic since the release of the World Magnetic Model has been postponed until 30 January due to the ongoing US government shutdown.<\/p>\n

The key question remains the same \u2014 why the magnetic field is changing so dramatically. The possible reasons for the geomagnetic pulses are \u2018hydromagnetic\u2019 waves arising from deep in the core and the move of the magnetic pole could be connected with a high-speed jet of liquid iron beneath Canada.<\/p>\n

\u201cThe location of the north magnetic pole appears to be governed by two large-scale patches of magnetic field, one beneath Canada and one beneath Siberia,\u201d said Phil Livermore, a geomagnetist at the University of Leeds, UK at the American Geophysical Union meeting, noting that the Siberian patch is winning the competition.<\/p>\n

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

Africa-Press – Liberia. The magnetic poles are moving quickly, going away from Canada towards Siberia, yet geologists cannot determine why the change is so sudden and dramatic. On 15 January, scientists from the United States\u2019 National Geospatial-Intelligence Agency (NGA) and the United Kingdom\u2019s Defence Geographic Centre (DGC) were set to update the World Magnetic Model, […]<\/p>\n","protected":false},"author":84,"featured_media":64886,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,9],"tags":[234],"class_list":["post-64887","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all-news","category-miscellaneous","tag-liberia"],"yoast_head":"\nEarth\u2019s Magnetic Field is Acting Strange \u2013 Scientists Aren\u2019t Sure Why - Liberia<\/title>\n<meta name=\"description\" content=\"The magnetic poles are moving quickly, going away from Canada towards Siberia, yet geologists cannot determine why the c ...\" \/>\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\/liberia\/all-news\/earths-magnetic-field-is-acting-strange-scientists-arent-sure-why\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Earth\u2019s Magnetic Field is Acting Strange \u2013 Scientists Aren\u2019t Sure Why\" \/>\n<meta property=\"og:description\" content=\"The magnetic poles are moving quickly, going away from Canada towards Siberia, yet geologists cannot determine why the c ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/liberia\/all-news\/earths-magnetic-field-is-acting-strange-scientists-arent-sure-why\" \/>\n<meta property=\"og:site_name\" content=\"Liberia\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/AfricaPressTunisiaa\" \/>\n<meta property=\"article:published_time\" content=\"2024-09-30T15:48:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-09-30T16:17:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/liberia\/sites\/37\/2024\/09\/sm_1727700184.912806.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1440\" \/>\n\t<meta property=\"og:image:height\" content=\"810\" \/>\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=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/liberia\/all-news\/earths-magnetic-field-is-acting-strange-scientists-arent-sure-why#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/liberia\/all-news\/earths-magnetic-field-is-acting-strange-scientists-arent-sure-why\"},\"author\":{\"name\":\"cfeditoren\",\"@id\":\"https:\/\/www.africa-press.net\/liberia\/#\/schema\/person\/068c7ab4e9634ae78ec5d54ec46598bb\"},\"headline\":\"Earth\u2019s Magnetic Field is Acting Strange \u2013 Scientists Aren\u2019t Sure Why\",\"datePublished\":\"2024-09-30T15:48:26+00:00\",\"dateModified\":\"2024-09-30T16:17:44+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/liberia\/all-news\/earths-magnetic-field-is-acting-strange-scientists-arent-sure-why\"},\"wordCount\":476,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/liberia\/all-news\/earths-magnetic-field-is-acting-strange-scientists-arent-sure-why#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/liberia\/sites\/37\/2024\/09\/sm_1727700184.912806.jpg\",\"keywords\":[\"Liberia\"],\"articleSection\":[\"all news\",\"miscellaneous\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/liberia\/all-news\/earths-magnetic-field-is-acting-strange-scientists-arent-sure-why#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/liberia\/all-news\/earths-magnetic-field-is-acting-strange-scientists-arent-sure-why\",\"url\":\"https:\/\/www.africa-press.net\/liberia\/all-news\/earths-magnetic-field-is-acting-strange-scientists-arent-sure-why\",\"name\":\"Earth\u2019s Magnetic Field is Acting Strange \u2013 Scientists Aren\u2019t Sure Why - 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