{"id":10044,"date":"2024-04-07T09:04:26","date_gmt":"2024-04-07T09:04:26","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?p=10044"},"modified":"2024-05-01T06:43:27","modified_gmt":"2024-05-01T06:43:27","slug":"les-ronds-de-fumee-de-letna-sur-tf1","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2024\/04\/07\/les-ronds-de-fumee-de-letna-sur-tf1\/","title":{"rendered":"Les \u00ab ronds de fum\u00e9e \u00bb de l\u2019Etna sur TF1"},"content":{"rendered":"

En ce moment l\u2019Etna se montre fac\u00e9tieux\u00a0: il \u00e9met des \u00ab\u00a0ronds de fum\u00e9e\u00a0\u00bb (plut\u00f4t des \u00ab\u00a0anneaux de gaz\u00a0\u00bb) d\u2019une forme circulaire quasi parfaite. Ce ph\u00e9nom\u00e8ne n\u2019est pas exceptionnel mais reste rare. La Stromboli et l\u2019Eyjafjallaj\u00f6kull en \u00e9mettent parfois aussi.<\/p>\n

J\u2019ai \u00e9t\u00e9 interview\u00e9 par Christine Chapel et Olivier Cresta pour le journal de 20 h de TF1 du 6\/4\/2024.<\/p>\n

\"\"Jacques-Marie Bardintzeff, volcanologue, interview\u00e9 dans le Journal de 20 h de TF1 du 6\/4\/2024.<\/p>\n

Revoir la s\u00e9quence :<\/p>\n

https:\/\/www.tf1.fr\/tf1\/jt-20h\/videos\/letna-fait-des-volutes-de-fumee-46989770.html<\/a><\/p>\n

Revoir l\u2019ensemble du journal (il suffit de s\u2019inscrire)\u00a0:<\/p>\n

https:\/\/www.tf1.fr\/tf1\/jt-20h\/videos\/le-20-heures-du-samedi-6-avril-2024-08572568.html<\/a><\/p>\n

(le sujet Etna commence \u00e0 29 mn 55 s)<\/p>\n

ou bien\u00a0:<\/p>\n

https:\/\/www.tf1info.fr\/international\/video-quand-l-etna-fait-des-ronds-de-fumee-decouvrez-les-images-de-ce-phenomene-tres-rare-2294698.html<\/a><\/p>\n

<\/p>\n

Les ronds, d\u2019une centaine de m\u00e8tres de diam\u00e8tre en moyenne, sont blancs car constitu\u00e9s de vapeur d\u2019eau, parfois gris s\u2019ils contiennent un peu de cendres.<\/p>\n

Ce ph\u00e9nom\u00e8ne particulier est d\u00fb \u00e0 la morphologie du crat\u00e8re et du conduit, \u00e0 la pression interne plus ou moins \u00e9lev\u00e9e et \u00e0 la teneur en gaz du magma.<\/p>\n

\"\"Anne-Claire Coudray pr\u00e9sente le Journal de 20 h de TF1 du 6\/4\/2024.<\/p>\n","protected":false},"excerpt":{"rendered":"

En ce moment l\u2019Etna se montre fac\u00e9tieux\u00a0: il \u00e9met des \u00ab\u00a0ronds de fum\u00e9e\u00a0\u00bb (plut\u00f4t des \u00ab\u00a0anneaux de gaz\u00a0\u00bb) d\u2019une forme circulaire quasi parfaite. Ce ph\u00e9nom\u00e8ne n\u2019est pas exceptionnel mais reste rare. La Stromboli et l\u2019Eyjafjallaj\u00f6kull en \u00e9mettent parfois aussi. J\u2019ai \u00e9t\u00e9 interview\u00e9 par Christine Chapel et Olivier Cresta pour le journal de 20 h de … Continuer la lecture de Les \u00ab ronds de fum\u00e9e \u00bb de l\u2019Etna sur TF1<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[6],"tags":[2913,21,2914,1391,2915,18,2916,2917,912,13],"class_list":["post-10044","post","type-post","status-publish","format-standard","hentry","category-actualites","tag-anneau-de-gaz","tag-bardintzeff","tag-chapel","tag-coudray","tag-cresta","tag-etna","tag-journal-de-20-h","tag-rond-de-fumee","tag-tf1","tag-volcanologue"],"yoast_head":"\nLes \u00ab ronds de fum\u00e9e \u00bb de l\u2019Etna sur TF1, par Jacques-Marie Bardintzeff<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2024\/04\/07\/les-ronds-de-fumee-de-letna-sur-tf1\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les \u00ab ronds de fum\u00e9e \u00bb de l\u2019Etna sur TF1, par Jacques-Marie Bardintzeff\" \/>\n<meta property=\"og:description\" content=\"En ce moment l\u2019Etna se montre fac\u00e9tieux\u00a0: il \u00e9met des \u00ab\u00a0ronds de fum\u00e9e\u00a0\u00bb (plut\u00f4t des \u00ab\u00a0anneaux de gaz\u00a0\u00bb) d\u2019une forme circulaire quasi parfaite. Ce ph\u00e9nom\u00e8ne n\u2019est pas exceptionnel mais reste rare. La Stromboli et l\u2019Eyjafjallaj\u00f6kull en \u00e9mettent parfois aussi. 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