{"id":232095,"date":"2026-02-25T18:20:19","date_gmt":"2026-02-26T00:20:19","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/02\/a-giant-weak-spot-in-earths-magnetic-field-is-now-half-the-size-of-europe"},"modified":"2026-02-25T18:20:19","modified_gmt":"2026-02-26T00:20:19","slug":"a-giant-weak-spot-in-earths-magnetic-field-is-now-half-the-size-of-europe","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/02\/a-giant-weak-spot-in-earths-magnetic-field-is-now-half-the-size-of-europe","title":{"rendered":"A giant weak spot in Earth\u2019s magnetic field is now half the size of Europe"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/a-giant-weak-spot-in-earths-magnetic-field-is-now-half-the-size-of-europe2.webp\"><\/a><\/p>\n<p>Earth\u2019s magnetic shield is shifting in dramatic ways. New data from ESA\u2019s Swarm satellites show that the South Atlantic Anomaly \u2014 a vast weak spot in Earth\u2019s magnetic field \u2014 has grown by nearly half the size of continental Europe since 2014. Even more striking, a region southwest of Africa has begun weakening even faster in recent years, hinting at unusual activity deep within Earth\u2019s molten outer core.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Earth\u2019s magnetic shield is shifting in dramatic ways. New data from ESA\u2019s Swarm satellites show that the South Atlantic Anomaly \u2014 a vast weak spot in Earth\u2019s magnetic field \u2014 has grown by nearly half the size of continental Europe since 2014. Even more striking, a region southwest of Africa has begun weakening even faster [\u2026]<\/p>\n","protected":false},"author":396,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2028],"tags":[],"class_list":["post-232095","post","type-post","status-publish","format-standard","hentry","category-satellites"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/232095","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/396"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=232095"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/232095\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=232095"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=232095"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=232095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}