{"id":554,"date":"2013-12-06T10:12:00","date_gmt":"2013-12-06T09:12:00","guid":{"rendered":"https:\/\/kids.esa.int\/huge_earthquake_changed_earth_s_gravity\/"},"modified":"2026-10-08T00:29:34","modified_gmt":"2026-10-07T22:29:34","slug":"huge_earthquake_changed_earth_s_gravity","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/huge_earthquake_changed_earth_s_gravity\/","title":{"rendered":"Egy hatalmas f\u00f6ldreng\u00e9s megv\u00e1ltoztatta a F\u00f6ld gravit\u00e1ci\u00f3j\u00e1t"},"content":{"rendered":"<div class=\"lede\">\n<p>B\u00e1r az ESA GOCE m\u0171holdja n\u00e9h\u00e1ny h\u00e9ttel ezel\u0151tt a F\u00f6ld l\u00e9gk\u00f6r\u00e9be val\u00f3 visszat\u00e9r\u00e9s sor\u00e1n el\u00e9gett, ez az egyed\u00fcl\u00e1ll\u00f3 k\u00fcldet\u00e9s tov\u00e1bbra is meglepet\u00e9sekkel szolg\u00e1l. A leg\u00fajabb v\u00e1ratlan felfedez\u00e9s az, hogy a GOCE jelent\u0151s v\u00e1ltoz\u00e1st \u00e9szlelt a helyi gravit\u00e1ci\u00f3s er\u0151ss\u00e9gben a 2011-ben Jap\u00e1nt s\u00fajt\u00f3 hatalmas f\u00f6ldreng\u00e9s ut\u00e1n.<\/p>\n<\/div>\n<p>A ny\u00edlhegy alak\u00fa GOCE-t kifejezetten azzal a c\u00e9llal tervezt\u00e9k, hogy a F\u00f6ld gravit\u00e1ci\u00f3s mez\u0151j\u00e9nek v\u00e1ltoz\u00e1sair\u00f3l a valaha k\u00e9sz\u00fclt legr\u00e9szletesebb \u00e9s legpontosabb t\u00e9rk\u00e9pet \u00e1ll\u00edtsa \u00f6ssze. Mik\u00f6zben a szinte sarkvid\u00e9ki p\u00e1ly\u00e1n haladt, a karcs\u00fa m\u0171hold p\u00e1ly\u00e1j\u00e1t a bolyg\u00f3 gravit\u00e1ci\u00f3s vonz\u00e1s\u00e1nak v\u00e1ltoz\u00e1sai kiss\u00e9 elt\u00e9r\u00edtett\u00e9k.<\/p>\n<p>A GOCE \u00e1ltal n\u00e9gy\u00e9ves k\u00fcldet\u00e9se sor\u00e1n visszak\u00fcld\u00f6tt adatok alapos elemz\u00e9se lehet\u0151v\u00e9 tette a tud\u00f3sok sz\u00e1m\u00e1ra, hogy rendk\u00edv\u00fcl pontos modellt (az \u00fagynevezett \u2018geoidot\u2019) k\u00e9sz\u00edtsenek a F\u00f6ld gravit\u00e1ci\u00f3j\u00e1r\u00f3l. A m\u0171szer gradiom\u00e9ter\u00e9nek kiemelked\u0151 \u00e9rz\u00e9kenys\u00e9ge azonban lehet\u0151v\u00e9 tette bolyg\u00f3nk egy\u00e9b jellemz\u0151inek tanulm\u00e1nyoz\u00e1s\u00e1t is, p\u00e9ld\u00e1ul az \u00f3ce\u00e1ni \u00e1ramlatok, a v\u00e1ltoz\u00f3 tengerszint, a sz\u00e1razf\u00f6ldi felsz\u00edn magass\u00e1ga \u00e9s a F\u00f6ld k\u0151zetr\u00e9teg\u00e9nek r\u00e9tegei vizsg\u00e1lat\u00e1t. S\u0151t, a m\u0171szer m\u00e9g az \u0171rben f\u00faj\u00f3 szeleket \u00e9s a 2011. m\u00e1rcius 11-i hatalmas jap\u00e1n f\u00f6ldreng\u00e9s ut\u00e1n a l\u00e9gk\u00f6r\u00f6n kereszt\u00fcl felfel\u00e9 terjed\u0151 hanghull\u00e1mokat is \u00e9rz\u00e9kelte.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"4446\" data-credit=\"DGFI\/TU Delft\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2013\/12\/Gravity_scar_over_Japan2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2013\/12\/gravity_scar_over_japan2\/17911676-2-eng-GB\/Gravity_scar_over_Japan.jpg\" alt=\"Gravity scar over Japan\"><figcaption>A gravit\u00e1ci\u00f3s seb Jap\u00e1n felett<\/figcaption><\/figure>\n<p>Most a GOCE ism\u00e9t mindenkit meglepett azzal, hogy a Jap\u00e1n nagy r\u00e9sz\u00e9t elpuszt\u00edt\u00f3, 9-es er\u0151ss\u00e9g\u0171 f\u00f6ldreng\u00e9s ut\u00e1n v\u00e1ltoz\u00e1sokat \u00e9szlelt a helyi gravit\u00e1ci\u00f3s mez\u0151ben. N\u00e9met \u00e9s holland tud\u00f3sok elemezt\u00e9k a GOCE eredm\u00e9nyeit, \u00e9s meg\u00e1llap\u00edtott\u00e1k, hogy a f\u00f6ldreng\u00e9s egy\u00e9rtelm\u0171en megv\u00e1ltoztatta a gravit\u00e1ci\u00f3 er\u0151ss\u00e9g\u00e9t Honshu sziget\u00e9n \u00e9s a k\u00f6zeli \u00f3ce\u00e1nfen\u00e9ken. Ez az els\u0151 alkalom, hogy a GOCE adatai id\u0151beli v\u00e1ltoz\u00e1sokat t\u00e1rtak fel.<\/p>\n<p>Ezen fel\u00fcl a GOCE \u00e1ltal m\u00e9rt gravit\u00e1ci\u00f3s v\u00e1ltoz\u00e1sok m\u00e9rt\u00e9ke \u00e9s helye elt\u00e9r a v\u00e1rakoz\u00e1sokt\u00f3l. A GOCE-adatoknak a n\u00e9met\u2013amerikai GRACE-misszi\u00f3b\u00f3l \u00e9s egy\u00e9b forr\u00e1sokb\u00f3l sz\u00e1rmaz\u00f3 inform\u00e1ci\u00f3kkal val\u00f3 \u00f6sszekapcsol\u00e1s\u00e1val a tud\u00f3sok sokkal pontosabb k\u00e9pet kapnak arr\u00f3l, hogy mi t\u00f6rt\u00e9nt a v\u00edz alatti f\u00f6ldreng\u00e9s sor\u00e1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>Although ESA\u2019s GOCE satellite burned up during re-entry into Earth\u2019s atmosphere a few weeks ago, this unique mission keeps on springing surprises. The latest unexpected discovery is that GOCE detected [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2013\/12\/goce\/17888098-2-eng-GB\/GOCE.jpg","esa_banner_description":"GOCE","esa_banner_credit":"ESA \/AOES Medialab","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2013\/12\/GOCE","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[42,10,59],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-554","post","type-post","status-publish","format-standard","hentry","category-earth","category-learn","category-natural-disasters"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/554","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/comments?post=554"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/554\/revisions"}],"predecessor-version":[{"id":4546,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/554\/revisions\/4546"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=554"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=554"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=554"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=554"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=554"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=554"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=554"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}