{"id":64412,"date":"2020-05-27T10:02:48","date_gmt":"2020-05-27T07:02:48","guid":{"rendered":"http:\/\/realitatearutiera.ro\/?p=64412"},"modified":"2020-05-27T10:02:51","modified_gmt":"2020-05-27T07:02:51","slug":"cel-mai-mare-vulcan-de-pe-pamant-tocmai-a-fost-descoperit-in-hawaii-l-a-detronat-pe-mauna-loa","status":"publish","type":"post","link":"https:\/\/realitatearutiera.ro\/?p=64412","title":{"rendered":"\u201dCel mai mare vulcan de pe P\u0103m\u00e2nt\u201d tocmai a fost descoperit \u00een Hawaii. L-a detronat pe Mauna Loa"},"content":{"rendered":"\n<p><strong>Ie\u0219ind din mare la o distan\u021b\u0103 de 952 de kilometri nord-vest de Honolulu, Hawaii, dou\u0103 piscuri pustii \u00ee\u0219i arat\u0103 v\u00e2rfurile. Cele dou\u0103 culmi, care se afl\u0103 la aproape 52 de metri deasupra nivelului m\u0103rii la cel mai \u00eenalt punct al lor, ascund un munte monstruos de magm\u0103 antic\u0103 sub ele.<\/strong><\/p>\n\n\n\n<p>Se pare \u00eens\u0103 c\u0103 aceste dou\u0103 forma\u021biuni deloc impun\u0103toare sunt de fapt v\u00e2rfurile lui P\u016bh\u0101honu. Cercet\u0103torii au descoperit c\u0103 acesta este cel mai mare vulcan de pe P\u0103m\u00e2nt.<\/p>\n\n\n\n<p>P\u016bh\u0101honu, care \u00eenseamn\u0103 \u201e\u021bestoasa care se ridic\u0103 pentru a respira\u201d \u00een hawaiian\u0103, face parte dintr-un lan\u021b lung de mun\u021bi \u0219i vulcani subacvatici care se \u00eentind de la Hawaii p\u00e2n\u0103 la marginea estic\u0103 a Rusiei. Mul\u021bi dintre cei aproape 120 de vulcani sunt inactivi de foare mult timp.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u201dCel mai mare vulcan de pe P\u0103m\u00e2nt\u201d este \u00een Hawaii<\/h3>\n\n\n\n<p>Mauna Loa, uria\u0219ul singuratic aflat pe Insula Hawaii, a fost mult timp considerat cel mai mare vulcan al lumii. De la baza sa de pe fundul m\u0103rii p\u00e2n\u0103 \u00een v\u00e2rful impun\u0103tor deasupra insulei,&nbsp;<a href=\"https:\/\/www.descopera.ro\/natura\/18231336-mauna-loa-a-redevenit-cel-mai-mare-vulcan-din-lume\" target=\"_blank\" rel=\"noreferrer noopener\">Mauna Loa are peste 9.000 de metri<\/a>. Asta \u00eel face mai \u00eenalt ca Everest. F\u0103r\u0103 \u00eendoial\u0103, vulcanul este uria\u0219. Totu\u0219i, cercet\u0103torii sus\u021bin acum c\u0103 P\u016bh\u0101honu l-ar fi \u00eenvins. Victoria se datoreaz\u0103 \u00een mare parte zecilor de mii de kilometri cubi de roc\u0103 vulcanic\u0103 \u00eengropa\u021bi sub fundul oceanului.<\/p>\n\n\n\n<p>\u00centr-un nou studiu, cercet\u0103torii au folosit detector de gravita\u021bie \u0219i cu sonar pentru a m\u0103sura \u00eentreaga amprent\u0103 topografic\u0103 a lui P\u016bh\u0101honu. Echipa a descoperit c\u0103 P\u016bh\u0101honu con\u021bine aproximativ 150.000 de kilometric cubi de roc\u0103. Astfel, P\u016bh\u0101honu are un volum de dou\u0103 ori mai mare ca Mauna Loa.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/i2.wp.com\/www.descopera.ro\/wp-content\/uploads\/2020\/05\/googlemaps-gardenerpinnacles-vulcan_descopera-1024x583.jpg?resize=800%2C455&#038;ssl=1\" alt=\"''Cel mai mare vulcan de pe P\u0103m\u00e2nt''\" data-recalc-dims=\"1\"\/><figcaption>Sursa foto: Twitter University of Hawaii at Manoa@uhmanoa<\/figcaption><\/figure>\n\n\n\n<p>Doar o frac\u021biune din acel volum, \u00een jur de 30%, este vizibil\u0103. Restul este at\u00e2t de ad\u00e2nc \u00een p\u0103m\u00e2nt \u00eenc\u00e2t P\u016bh\u0101honu a provocat scufundarea crustei aflate dedesubt. Astfel, crusta s-a tot scufundat \u00een ultimii 14 milioane de ani de la formarea vulcanului, potrivit&nbsp;<a href=\"http:\/\/www.livescience.com\/puhahonu-largest-and-hottest-volcano-on-earth.html\" target=\"_blank\" rel=\"noreferrer noopener\">LiveScience<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vulcanul cu cea mai fierbinte magm\u0103 de pe Terra<\/h3>\n\n\n\n<p>\u201eNoua calculare a volumului arat\u0103 c\u0103 P\u016bh\u0101honu este&nbsp;<a href=\"http:\/\/www.descopera.ro\/natura\/18241445-un-vulcan-stins-din-romania-are-cantitati-mari-de-magma-care-clocoteste-au-un-volum-mai-mare-decat-spatiul-ocupat-de-20000-de-mari-piramide-din-giza\" target=\"_blank\" rel=\"noreferrer noopener\">\u00een mod clar mai mare ca orice alt vulcan din Hawaii<\/a>&nbsp;inclusiv Mauna Loa, despre care se credea c\u0103 este cel mai mare de pe P\u0103m\u00e2nt\u201d, au scris cercet\u0103torii.<\/p>\n\n\n\n<p>Studiul va fi publicat \u00een edi\u021bia din 15 iunie a&nbsp;<a href=\"http:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0012821X20302399\" target=\"_blank\" rel=\"noreferrer noopener\">jurnalului Earth and Planetary Science Letters<\/a>.<\/p>\n\n\n\n<p>Totu\u0219i, P\u016bh\u0101honu nu devine doar vulcanul cu cel mai mare volum de pe Terra. S-ar putea s\u0103 fie chiar \u0219i cel mai fierbinte, au mai scris oamenii de \u0219tiin\u021b\u0103. Ca parte din studiu, echipa a analizat mai multe mostre de olivin\u0103 \u2013 minerale formate atunci c\u00e2nd magma se r\u0103ce\u0219te \u0219i se cristalizeaz\u0103 \u2013 extrase din p\u0103r\u021bi diferite ale vulcanului.<\/p>\n\n\n\n<p>Din compozi\u021bia mineralelor reiese c\u0103 magma lui P\u016bh\u0101honu ar fi ajuns la 1.700 de grade Celsius atunci c\u00e2nd a curs pentru prima oar\u0103. Astfel, P\u016bh\u0101honu ar putea fi\u00a0<a rel=\"noreferrer noopener\" href=\"http:\/\/www.descopera.ro\/dnews\/10905874-cel-mai-misterios-vulcan-din-lume-etna-da-batai-de-cap-expertilor-eruptiile-recente-sunt-neobisnuite\" target=\"_blank\">vulcanul cu cea mai fierbinte magm\u0103 de pe P\u0103m\u00e2nt<\/a>.<\/p>\n\n\n\n<p>sursa: descopera.ro<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ie\u0219ind din mare la o distan\u021b\u0103 de 952 de kilometri nord-vest de Honolulu, Hawaii, dou\u0103 piscuri pustii \u00ee\u0219i arat\u0103 v\u00e2rfurile.<\/p>\n","protected":false},"author":1,"featured_media":36765,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":"","jetpack_publicize_message":""},"categories":[12],"tags":[],"class_list":["post-64412","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stiri-internationale"],"jetpack_featured_media_url":"https:\/\/i2.wp.com\/realitatearutiera.ro\/wp-content\/uploads\/2018\/06\/vulcan-guatemala.jpg?fit=605%2C340&ssl=1","jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p61naM-gKU","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/posts\/64412","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=64412"}],"version-history":[{"count":1,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/posts\/64412\/revisions"}],"predecessor-version":[{"id":64413,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/posts\/64412\/revisions\/64413"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/media\/36765"}],"wp:attachment":[{"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=64412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=64412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=64412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}