{"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\/ro\/huge_earthquake_changed_earth_s_gravity\/","title":{"rendered":"Un cutremur de propor\u021bii a modificat gravita\u021bia P\u0103m\u00e2ntului"},"content":{"rendered":"<div class=\"lede\">\n<p>De\u0219i satelitul GOCE al ESA s-a dezintegrat \u00een timpul reintr\u0103rii \u00een atmosfera P\u0103m\u00e2ntului \u00een urm\u0103 cu c\u00e2teva s\u0103pt\u0103m\u00e2ni, aceast\u0103 misiune unic\u0103 continu\u0103 s\u0103 ofere surprize. Cea mai recent\u0103 descoperire nea\u0219teptat\u0103 este faptul c\u0103 GOCE a detectat o schimbare semnificativ\u0103 a intensit\u0103\u021bii locale a gravita\u021biei dup\u0103 cutremurul devastator care a lovit Japonia \u00een 2011.<\/p>\n<\/div>\n<p>Av\u00e2nd forma unui v\u00e2rf de s\u0103geat\u0103, satelitul GOCE a fost conceput special pentru a realiza cea mai detaliat\u0103 \u0219i precis\u0103 hart\u0103 a varia\u021biilor c\u00e2mpului gravita\u021bional al P\u0103m\u00e2ntului realizat\u0103 vreodat\u0103. Pe m\u0103sur\u0103 ce se deplasa pe o orbit\u0103 aproape polar\u0103, traiectoria satelitului cu form\u0103 aerodinamic\u0103 era u\u0219or modificat\u0103 de varia\u021biile for\u021bei gravita\u021bionale a planetei.<\/p>\n<p>O analiz\u0103 atent\u0103 a datelor transmise de GOCE pe parcursul misiunii sale de patru ani le-a permis oamenilor de \u0219tiin\u021b\u0103 s\u0103 elaboreze un model extrem de precis (cunoscut sub numele de \u2018geoid\u2019) al gravita\u021biei P\u0103m\u00e2ntului. Cu toate acestea, sensibilitatea remarcabil\u0103 a gradiometrului s\u0103u a f\u0103cut posibil\u0103 \u0219i studierea altor caracteristici ale planetei noastre, precum curen\u021bii oceanici, varia\u021biile nivelului m\u0103rii, altitudinea suprafe\u021bei terestre \u0219i straturile din scoar\u021ba terestr\u0103. Acesta a detectat chiar \u0219i v\u00e2nturi \u00een spa\u021biu \u0219i unde sonore care s-au propagat \u00een sus prin atmosfer\u0103 dup\u0103 marele cutremur din Japonia din 11 martie 2011.<\/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>Cicatricea gravita\u021bional\u0103 deasupra Japoniei<\/figcaption><\/figure>\n<p>Acum, GOCE a surprins din nou pe toat\u0103 lumea, detect\u00e2nd modific\u0103ri ale c\u00e2mpului gravita\u021bional local \u00een urma aceluia\u0219i cutremur de magnitudine 9 care a devastat o mare parte din Japonia. Oameni de \u0219tiin\u021b\u0103 germani \u0219i olandezi au analizat rezultatele GOCE \u0219i au descoperit c\u0103 seismul a modificat \u00een mod evident intensitatea gravita\u021biei pe insula Honshu \u0219i pe fundul oceanului din apropiere. Este pentru prima dat\u0103 c\u00e2nd datele GOCE au relevat modific\u0103ri \u00een timp.<\/p>\n<p>\u00cen plus, amploarea \u0219i localizarea varia\u021biilor gravita\u021bionale m\u0103surate de GOCE difer\u0103 de previziuni. Prin combinarea datelor GOCE cu informa\u021biile provenite din misiunea germano-american\u0103 GRACE \u0219i din alte surse, oamenii de \u0219tiin\u021b\u0103 vor ob\u021bine o imagine mult mai precis\u0103 a ceea ce s-a \u00eent\u00e2mplat \u00een timpul cutremurului subacvatic.<\/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\/ro\/wp-json\/wp\/v2\/posts\/554","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/comments?post=554"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/554\/revisions"}],"predecessor-version":[{"id":4546,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/554\/revisions\/4546"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/media?parent=554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/categories?post=554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/tags?post=554"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/panel?post=554"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/language?post=554"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/age?post=554"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/duration?post=554"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/resource_type?post=554"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/audience?post=554"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/wf_post_folders?post=554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}