{"id":15350,"date":"2020-06-19T00:23:32","date_gmt":"2020-06-19T00:23:32","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=15350"},"modified":"2020-06-19T00:23:32","modified_gmt":"2020-06-19T00:23:32","slug":"alaska-volcanoes-erupting-simultaneously","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/earth-science\/alaska-volcanoes-erupting-simultaneously\/","title":{"rendered":"Ho\u1ea1t \u0111\u1ed9ng n\u00fai l\u1eeda gia t\u0103ng \u1edf qu\u1ea7n \u0111\u1ea3o Aleut, Alaska: B\u1ed1n ng\u1ecdn n\u00fai l\u1eeda \u0111ang ho\u1ea1t \u0111\u1ed9ng"},"content":{"rendered":"

Ho\u1ea1t \u0111\u1ed9ng n\u00fai l\u1eeda gia t\u0103ng \u1edf qu\u1ea7n \u0111\u1ea3o Aleut, Alaska<\/h2>\n\n

N\u00fai l\u1eeda \u0111ang ho\u1ea1t \u0111\u1ed9ng<\/h2>\n\n

B\u1ed1n ng\u1ecdn n\u00fai l\u1eeda xa x\u00f4i \u1edf qu\u1ea7n \u0111\u1ea3o Aleut, Alaska hi\u1ec7n \u0111ang ho\u1ea1t \u0111\u1ed9ng, trong \u0111\u00f3 ba ng\u1ecdn phun tr\u00e0o ho\u1eb7c phun h\u01a1i n\u01b0\u1edbc v\u00e0 tro b\u1ee5i. Ng\u1ecdn th\u1ee9 t\u01b0, Cleveland, \u0111ang bi\u1ec3u hi\u1ec7n nh\u1eefng d\u1ea5u hi\u1ec7u b\u1ea5t \u1ed5n v\u1edbi nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t t\u0103ng cao.<\/p>\n\n

Ng\u1ecdn n\u00fai l\u1eeda ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh nh\u1ea5t l\u00e0 Pavlof, n\u1eb1m tr\u00ean b\u00e1n \u0111\u1ea3o. N\u00f3 \u0111\u00e3 v\u00e0 \u0111ang phun ra m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf tro b\u1ee5i v\u00e0 tr\u1ea3i qua c\u00e1c v\u1ee5 n\u1ed5 nh\u1ecf. Great Sitkin, m\u1ed9t n\u00fai l\u1eeda t\u1ea7ng kh\u00e1c c\u00f3 mi\u1ec7ng n\u00fai l\u1eeda v\u00e0 m\u00e1i v\u00f2m, c\u0169ng \u0111ang phun tr\u00e0o v\u1edbi m\u1ed9t \u0111\u00e0i phun dung nham \u1edf \u0111\u1ec9nh.<\/p>\n\n

Semisopochnoi, m\u1ed9t n\u00fai l\u1eeda tr\u00ean \u0111\u1ea3o kh\u00f4ng c\u00f3 ng\u01b0\u1eddi \u1edf, \u0111\u00e3 phun tr\u00e0o t\u1eebng \u0111\u1ee3t, t\u1ea1o ra c\u00e1c c\u1ed9t tro b\u1ee5i cao t\u1edbi 10.000 feet trong kh\u00f4ng kh\u00ed. Cleveland, n\u1eb1m tr\u00ean \u0111\u1ea3o Chuginadak, c\u00f3 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ecba ch\u1ea5n y\u1ebfu v\u00e0 nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t cao.<\/p>\n\n

Gi\u00e1m s\u00e1t v\u00e0 an to\u00e0n<\/h2>\n\n

C\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i \u0110\u00e0i quan s\u00e1t n\u00fai l\u1eeda Alaska (AVO) \u0111ang theo d\u00f5i ch\u1eb7t ch\u1ebd c\u00e1c n\u00fai l\u1eeda \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c thay \u0111\u1ed5i ho\u1eb7c gia t\u0103ng ho\u1ea1t \u0111\u1ed9ng. M\u1ee9c \u0111\u1ed9 \u0111e d\u1ecda \u0111\u1ed1i v\u1edbi Pavlof, Great Sitkin v\u00e0 Semisopochnoi \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf m\u1ee9c “cam”, cho bi\u1ebft \u0111ang c\u00f3 phun tr\u00e0o. Cleveland hi\u1ec7n \u0111ang \u1edf m\u1ee9c “v\u00e0ng” do c\u00f3 d\u1ea5u hi\u1ec7u b\u1ea5t \u1ed5n.<\/p>\n\n

C\u1ea3 b\u1ed1n n\u00fai l\u1eeda \u0111\u1ec1u n\u1eb1m \u1edf nh\u1eefng v\u00f9ng h\u1ebbo l\u00e1nh v\u00e0 hi\u1ec7n kh\u00f4ng c\u00f3 c\u1ed9ng \u0111\u1ed3ng n\u00e0o g\u1eb7p nguy hi\u1ec3m. Tuy nhi\u00ean, theo nh\u00e0 \u0111\u1ecba ch\u1ea5t h\u1ecdc Chris Waythomas, Pavlof c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ng\u1ecdn n\u00fai l\u1eeda “x\u1ea3o quy\u1ec7t” v\u00e0 c\u00f3 th\u1ec3 phun tr\u00e0o m\u00e0 kh\u00f4ng c\u00f3 nhi\u1ec1u c\u1ea3nh b\u00e1o.<\/p>\n\n

C\u00e1c n\u00fai l\u1eeda kh\u00e1c \u0111ang \u0111\u01b0\u1ee3c theo d\u00f5i<\/h2>\n\n

Alaska kh\u00f4ng ph\u1ea3i l\u00e0 n\u01a1i duy nh\u1ea5t c\u00f3 n\u00fai l\u1eeda \u0111ang ho\u1ea1t \u0111\u1ed9ng. Mauna Loa, ng\u1ecdn n\u00fai l\u1eeda l\u1edbn nh\u1ea5t tr\u00ean Tr\u00e1i \u0111\u1ea5t, n\u1eb1m tr\u00ean \u0111\u1ea3o l\u1edbn Hawaii, \u0111\u00e3 tr\u1ea3i qua m\u1ed9t lo\u1ea1t c\u00e1c tr\u1eadn \u0111\u1ed9ng \u0111\u1ea5t nh\u01b0ng v\u1eabn ch\u01b0a phun tr\u00e0o. Pagan, m\u1ed9t ng\u1ecdn n\u00fai l\u1eeda g\u1ea7n Guam \u1edf Nam Th\u00e1i B\u00ecnh D\u01b0\u01a1ng, c\u0169ng \u0111\u00e3 cho th\u1ea5y c\u00e1c d\u1ea5u hi\u1ec7u ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c tr\u1eadn \u0111\u1ed9ng \u0111\u1ea5t v\u00e0 ph\u00e1t th\u1ea3i kh\u00f3i.<\/p>\n\n

Hi\u1ec3u v\u1ec1 ho\u1ea1t \u0111\u1ed9ng n\u00fai l\u1eeda<\/h2>\n\n

N\u00fai l\u1eeda h\u00ecnh th\u00e0nh khi magma t\u1eeb b\u00ean trong Tr\u00e1i \u0111\u1ea5t b\u1ed1c l\u00ean b\u1ec1 m\u1eb7t. Khi \u00e1p su\u1ea5t tr\u1edf n\u00ean qu\u00e1 l\u1edbn, magma phun tr\u00e0o, gi\u1ea3i ph\u00f3ng tro, dung nham v\u00e0 kh\u00ed v\u00e0o kh\u00ed quy\u1ec3n.<\/p>\n\n

C\u00e1c v\u1ee5 phun tr\u00e0o n\u00fai l\u1eeda c\u00f3 th\u1ec3 t\u1eeb nh\u1eefng lu\u1ed3ng h\u01a1i n\u01b0\u1edbc nh\u1ecf \u0111\u1ebfn c\u00e1c v\u1ee5 phun tr\u00e0o n\u1ed5 c\u00f3 th\u1ec3 t\u00e0n ph\u00e1 to\u00e0n b\u1ed9 khu v\u1ef1c. C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a m\u1ed9t v\u1ee5 phun tr\u00e0o bao g\u1ed3m lo\u1ea1i n\u00fai l\u1eeda, th\u00e0nh ph\u1ea7n c\u1ee7a magma v\u00e0 l\u01b0\u1ee3ng \u00e1p su\u1ea5t t\u00edch t\u1ee5.<\/p>\n\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c gi\u00e1m s\u00e1t n\u00fai l\u1eeda<\/h2>\n\n

Gi\u00e1m s\u00e1t n\u00fai l\u1eeda r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi an to\u00e0n c\u00f4ng c\u1ed9ng v\u00e0 c\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb th\u1ea3m h\u1ecda. C\u00e1c nh\u00e0 khoa h\u1ecdc s\u1eed d\u1ee5ng nhi\u1ec1u c\u00f4ng c\u1ee5 \u0111\u1ec3 theo d\u00f5i ho\u1ea1t \u0111\u1ed9ng n\u00fai l\u1eeda, bao g\u1ed3m m\u00e1y \u0111o \u0111\u1ecba ch\u1ea5n \u0111\u1ec3 ph\u00e1t hi\u1ec7n \u0111\u1ed9ng \u0111\u1ea5t, webcam \u0111\u1ec3 quan s\u00e1t c\u00e1c v\u1ee5 phun tr\u00e0o v\u00e0 \u1ea3nh v\u1ec7 tinh \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t.<\/p>\n\n

Nh\u1eefng th\u00f4ng tin n\u00e0y gi\u00fap c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 \u0111e d\u1ecda v\u00e0 \u0111\u01b0a ra c\u1ea3nh b\u00e1o s\u1edbm cho c\u00e1c c\u1ed9ng \u0111\u1ed3ng trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 phun tr\u00e0o. B\u1eb1ng c\u00e1ch hi\u1ec3u v\u1ec1 ho\u1ea1t \u0111\u1ed9ng n\u00fai l\u1eeda, ch\u00fang ta c\u00f3 th\u1ec3 chu\u1ea9n b\u1ecb t\u1ed1t h\u01a1n v\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c r\u1ee7i ro li\u00ean quan \u0111\u1ebfn c\u00e1c th\u1ea3m h\u1ecda thi\u00ean nhi\u00ean n\u00e0y.<\/p>","protected":false},"excerpt":{"rendered":"

Ho\u1ea1t \u0111\u1ed9ng n\u00fai l\u1eeda gia t\u0103ng \u1edf qu\u1ea7n \u0111\u1ea3o Aleut, Alaska N\u00fai l\u1eeda \u0111ang ho\u1ea1t \u0111\u1ed9ng B\u1ed1n ng\u1ecdn n\u00fai l\u1eeda xa x\u00f4i \u1edf qu\u1ea7n \u0111\u1ea3o Aleut, Alaska hi\u1ec7n \u0111ang ho\u1ea1t…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[212],"tags":[1355,207,572,568,1342,20454],"class_list":["post-15350","post","type-post","status-publish","format-standard","hentry","category-earth-science","tag-alaska","tag-geology","tag-earth-science","tag-volcanoes","tag-eruptions","tag-aleutian-islands"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=15350"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15350\/revisions"}],"predecessor-version":[{"id":15351,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15350\/revisions\/15351"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=15350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=15350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=15350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}