{"id":1062,"date":"2016-01-30T19:43:59","date_gmt":"2016-01-30T19:43:59","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?p=1062"},"modified":"2016-01-30T19:52:08","modified_gmt":"2016-01-30T19:52:08","slug":"video-trois-idees-fausses-volcans","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2016\/01\/30\/video-trois-idees-fausses-volcans\/","title":{"rendered":"Vid\u00e9o : Trois id\u00e9es fausses sur les volcans"},"content":{"rendered":"

Les volcans sont souvent l’objet de fantasme, notamment de la part des m\u00e9dias, de la litt\u00e9rature et du cin\u00e9ma. Futura-Sciences a rencontr\u00e9 Jacques-Marie Bardintzeff, docteur en volcanologie, afin qu\u2019il nous d\u00e9voile trois id\u00e9es re\u00e7ues indubitablement erron\u00e9es.<\/p>\n

\"interview--3-idees-recues-sur-les-volcans-passees-au-crible\"Jacques-Marie Bardintzeff, volcanologue, interview\u00e9 par Futura-Sciences.<\/p>\n

La premi\u00e8re de ces id\u00e9es re\u00e7ues concerne l\u2019int\u00e9rieur de notre plan\u00e8te. On pense souvent, \u00e0 tort, que la Terre est, partout sous sa surface, constitu\u00e9e de magma en fusion. En r\u00e9alit\u00e9, bien que notre plan\u00e8te soit chaude en profondeur, elle reste solide car la pression s\u2019oppose \u00e0 la fusion de la mati\u00e8re. Le manteau ne fond que de fa\u00e7on ponctuelle, justement sous les volcans.<\/p>\n

La seconde concerne la fr\u00e9quence des \u00e9ruptions volcaniques. Bien qu’ils ne soient pas tous relat\u00e9s, ces \u00e9v\u00e9nements arrivent relativement souvent. \u00c0 chaque instant, plusieurs \u00e9ruptions sont simultan\u00e9ment en cours, quelque part sur la Terre.<\/p>\n

<\/p>\n

La derni\u00e8re id\u00e9e re\u00e7ue est li\u00e9e \u00e0 la dangerosit\u00e9 des volcans et au nombre de victimes. En r\u00e9alit\u00e9, les volcans sont surtout dangereux durant quelques \u00e9ruptions exceptionnelles et restent peu meurtriers le reste du temps. D’ailleurs, les \u00e9ruptions volcaniques font moins de morts que certaines maladies ou m\u00eame que les accidents de la route. En outre, les sp\u00e9cialistes arrivent de mieux en mieux \u00e0 les pr\u00e9voir.<\/p>\n

Voir la vid\u00e9o :
\nhttp:\/\/www.futura-sciences.com\/videos\/d\/interview-volcans-3-idees-recues-decodees-2911\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Les volcans sont souvent l’objet de fantasme, notamment de la part des m\u00e9dias, de la litt\u00e9rature et du cin\u00e9ma. Futura-Sciences a rencontr\u00e9 Jacques-Marie Bardintzeff, docteur en volcanologie, afin qu\u2019il nous d\u00e9voile trois id\u00e9es re\u00e7ues indubitablement erron\u00e9es. Jacques-Marie Bardintzeff, volcanologue, interview\u00e9 par Futura-Sciences. La premi\u00e8re de ces id\u00e9es re\u00e7ues concerne l\u2019int\u00e9rieur de notre plan\u00e8te. On pense … Continuer la lecture de Vid\u00e9o : Trois id\u00e9es fausses sur les volcans<\/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":[21,17,341,342,3,13],"class_list":["post-1062","post","type-post","status-publish","format-standard","hentry","category-actualites","tag-bardintzeff","tag-eruption","tag-magma","tag-terre","tag-volcan","tag-volcanologue"],"yoast_head":"\nVid\u00e9o : Trois id\u00e9es fausses sur les volcans, 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\/2016\/01\/30\/video-trois-idees-fausses-volcans\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vid\u00e9o : Trois id\u00e9es fausses sur les volcans, par Jacques-Marie Bardintzeff\" \/>\n<meta property=\"og:description\" content=\"Les volcans sont souvent l’objet de fantasme, notamment de la part des m\u00e9dias, de la litt\u00e9rature et du cin\u00e9ma. Futura-Sciences a rencontr\u00e9 Jacques-Marie Bardintzeff, docteur en volcanologie, afin qu\u2019il nous d\u00e9voile trois id\u00e9es re\u00e7ues indubitablement erron\u00e9es. Jacques-Marie Bardintzeff, volcanologue, interview\u00e9 par Futura-Sciences. La premi\u00e8re de ces id\u00e9es re\u00e7ues concerne l\u2019int\u00e9rieur de notre plan\u00e8te. 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