{"id":933,"date":"2004-12-03T10:14:00","date_gmt":"2004-12-03T09:14:00","guid":{"rendered":"https:\/\/kids.esa.int\/volcanoes\/"},"modified":"2026-10-08T00:33:56","modified_gmt":"2026-10-07T22:33:56","slug":"volcanoes","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/volcanoes\/","title":{"rendered":"Vulk\u00e1nok"},"content":{"rendered":"
\n

K\u00f6r\u00fclbel\u00fcl 1 500 akt\u00edv vulk\u00e1n l\u00e9tezik, amelyek k\u00f6z\u00fcl \u00e9vente k\u00f6r\u00fclbel\u00fcl 50 t\u00f6r ki. E vulk\u00e1nok t\u00f6bbs\u00e9ge a Csendes-\u00f3ce\u00e1n k\u00f6rny\u00e9k\u00e9n tal\u00e1lhat\u00f3 \u2013 egy olyan \u00f6vezetben, amelyet a Csendes-\u00f3ce\u00e1ni \u201cT\u0171zgy\u0171r\u0171nek\u201d neveznek. Eur\u00f3p\u00e1nak is vannak saj\u00e1t vulk\u00e1njai, p\u00e9ld\u00e1ul az Etna \u00e9s a Vez\u00fav, amelyek a t\u00f6rt\u00e9nelem sor\u00e1n m\u00e1r sz\u00e1mos alkalommal kit\u00f6rtek.<\/p>\n<\/div>\n

Legal\u00e1bb 500 milli\u00f3 ember \u00e9l akt\u00edv vulk\u00e1n k\u00f6zel\u00e9ben. Kit\u00f6r\u00e9s eset\u00e9n a k\u00f6rnyez\u0151 ter\u00fcleteket hamu \u00e9s izz\u00f3 l\u00e1va bor\u00edthatja be.<\/p>\n

A mez\u0151ket \u00e9s az \u00e9p\u00fcleteket eltemetheti a hamu. A m\u00e9rgez\u0151 g\u00e1zok, a izz\u00f3 hamufelh\u0151k vagy a s\u00e1rfoly\u00e1sok mindenkit meg\u00f6lhetnek, aki az \u00fatjukba ker\u00fcl. Szerencs\u00e9re a m\u0171holdak ma m\u00e1r seg\u00edtenek a legvesz\u00e9lyesebb vulk\u00e1nok azonos\u00edt\u00e1s\u00e1ban.<\/p>\n

\"Sicily's
Szic\u00edliai Etna november elej\u00e9n<\/figcaption><\/figure>\n

Az ESA Envisat \u00e9s ERS-2 m\u0171holdjai sz\u00e1mos k\u00fcl\u00f6nb\u00f6z\u0151 m\u00f3don vizsg\u00e1lj\u00e1k a vulk\u00e1nokat. A kamer\u00e1k r\u00f6gz\u00edtik a l\u00e1va\u00e1raml\u00e1sokat \u00e9s a hamufelh\u0151ket. Az infrav\u00f6r\u00f6s m\u0171szerek \u00e9szlelik a felsz\u00ednre t\u00f6r\u0151 forr\u00f3 l\u00e1v\u00e1t.<\/p>\n

A radar seg\u00edts\u00e9g\u00e9vel megfigyelhet\u0151 a vulk\u00e1n \u201cl\u00e9gz\u00e9se\u201d, ahogy az olvadt k\u0151zet mozog benne. M\u00e1r n\u00e9h\u00e1ny millim\u00e9teres felsz\u00edni domborod\u00e1s is jelzi a kit\u00f6r\u00e9s el\u0151tti nyom\u00e1sn\u00f6veked\u00e9st. M\u00e1s \u00e9rz\u00e9kel\u0151k azonos\u00edtj\u00e1k a leveg\u0151be kibocs\u00e1tott g\u00e1zokat \u00e9s r\u00e9szecsk\u00e9ket.<\/p>\n

Ezek az adatok \u00e9leteket mentenek, \u00e9s seg\u00edtenek el\u0151re jelezni, mikor v\u00e1rhat\u00f3 a k\u00f6vetkez\u0151 kit\u00f6r\u00e9s. A k\u00e1rosodott ter\u00fcletekr\u0151l k\u00e9sz\u00fclt m\u0171holdas t\u00e9rk\u00e9pek szint\u00e9n seg\u00edtik a ment\u00e9si \u00e9s helyre\u00e1ll\u00edt\u00e1si munk\u00e1latokat.<\/p>","protected":false},"excerpt":{"rendered":"

There are about 1,500 active volcanoes, with 50 or so erupting each year. Most of these volcanoes are found around the Pacific Ocean \u2013 a belt known as the Pacific […]<\/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\/2002\/12\/etna_-_real_image_1_-_december_20022\/17864232-3-eng-GB\/Etna_-_real_image_1_-_december_2002.jpg","esa_banner_description":"Mount Etna","esa_banner_credit":"Courtesy of P.Chastanet","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2002\/12\/Etna_-_real_image_1_-_december_20022","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":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-933","post","type-post","status-publish","format-standard","hentry","category-earth","category-learn","category-natural-disasters","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/933","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=933"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/933\/revisions"}],"predecessor-version":[{"id":4745,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/933\/revisions\/4745"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=933"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=933"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=933"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=933"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=933"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=933"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=933"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}