T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 1 – Arkady Leokum \u0111\u1ed1i v\u1edbi con ng\u01b0\u1eddi, n\u00fai qu\u00e1 \u01b0 l\u00e0 v\u0129 \u0111\u1ea1i. V\u00ec th\u1ebf con ng\u01b0\u1eddi c\u1ee9 t\u01b0\u1edfng n\u00fai – th\u00e1ch \u0111\u1ed1 v\u00e0 b\u1ea5t ch\u1ea5p th\u1eddi gian – kh\u00f4ng thay \u0111\u1ed5i v\u00e0 s\u1ebd t\u1ed3n t\u1ea1i y nguy\u00ean nh\u01b0 v\u1eady m\u00e3i. Nh\u01b0ng c\u00e1c nh\u00e0 \u0111\u1ecba ch\u1ea5t v\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc nghi\u00ean c\u1ee9u v\u1ec1 n\u00fai \u0111\u00e3 \u0111\u01b0a ra b\u1eb1ng ch\u1ee9ng ch\u1ee9ng t\u1ecf n\u00fai b\u1ecb th\u1eddi gian khu\u1ea5t ph\u1ee5c, ngh\u0129a l\u00e0, d\u00f9 c\u00f3 \u0111\u1ed3 s\u1ed9 nh\u01b0 v\u1eady, n\u00fai c\u0169ng kh\u00f4ng gi\u1eef \u0111\u01b0\u1ee3c nguy\u00ean h\u00ecnh nguy\u00ean tr\u1ea1ng m\u00e3i m\u00e3i.<\/p>\n\n\n\n
M\u1ed9t v\u00e0i thay \u0111\u1ed5i tr\u00ean b\u1ec1 m\u1eb7t \u0111\u1ecba c\u1ea7u \u0111\u00e3 t\u1ea1o ra n\u00fai. V\u00e0 n\u00fai c\u0169ng b\u1ecb ph\u00e1 ho\u1ea1i th\u01b0\u1eddng xuy\u00ean, do \u0111\u00f3 thay \u0111\u1ed5i th\u01b0\u1eddng xuy\u00ean. Do \u0111\u00f3 t\u00e1c \u0111\u1ed9ng c\u1ee7a b\u0103ng tuy\u1ebft, n\u01b0\u1edbc \u0111\u00e1, nhi\u1ec7t\u2026 n\u00fai b\u1ecb n\u1ee9t v\u00e0 b\u1ecb l\u1edf. \u0111\u1ea5t, \u0111\u00e1 tr\u00ean n\u00fai th\u01b0\u1eddng xuy\u00ean b\u1ecb m\u01b0a b\u00e0o m\u00f2n v\u00e0 \u0111\u01b0a xu\u1ed1ng c\u00e1c khe su\u1ed1i, s\u00f4ng\u2026 C\u1ee9 nh\u01b0 v\u1eady th\u1eddi gian \u0111\u00e3 bi\u1ebfn c\u00e1c ng\u1ecdn n\u00fai th\u00e0nh c\u00e1c \u0111\u1ed3i, cao nguy\u00ean.<\/p>\n\n\n\n
C\u00e1c nh\u00e0 \u0111\u1ecba ch\u1ea5t chia n\u00fai th\u00e0nh b\u1ed1n lo\u1ea1i t\u00f9y theo c\u00e1ch n\u00f3 \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o. Nh\u01b0ng d\u00f9 \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o c\u00e1ch n\u00e0o, n\u00fai c\u0169ng ch\u1ec9 l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a s\u1ef1 thay \u0111\u1ed5i d\u1eef d\u1ed9i c\u1ee7a v\u1ecf tr\u00e1i \u0111\u1ea5t.<\/p>\n\n\n\n
V\u00e0 h\u1ea7u h\u1ebft s\u1ef1 thay \u0111\u1ed5i n\u00e0y \u0111\u1ec1u \u0111\u00e3 x\u1ea3y ra c\u00e1ch nay c\u1ea3 h\u00e0ng tri\u1ec7u n\u0103m.<\/p>\n\n\n\n
N\u00fai u\u1ed1n x\u1ebfp \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o do c\u00e1c l\u1edbp \u0111\u00e1 b\u1ecb d\u1ed3n l\u1ea1i th\u00e0nh n\u1ebfp g\u1ea5p l\u1edbn. \u1ede nhi\u1ec1u n\u01a1i tr\u00ean c\u00e1c lo\u1ea1i n\u00fai n\u00e0y, ta th\u1ea5y c\u00e1c l\u1edbp \u0111\u00e1 u\u1ed1n cong th\u00e0nh n\u1ebfp nh\u1ea5p nh\u00f4 b\u1ecb \u00e9p theo chi\u1ec1u ngang. D\u00e3y Appalachian (B\u1eafc M\u1ef9) v\u00e0 d\u00e3y Alpes (ch\u00e2u \u00c2u) l\u00e0 \u0111i\u1ec3n h\u00ecnh cho lo\u1ea1i n\u00fai n\u00e0y.<\/p>\n\n\n\n
Tr\u00ean \u0111\u1ec9nh n\u00fai, c\u00e1c l\u1edbp \u0111\u00e1 b\u1ecb u\u1ed1n cong l\u00ean cao nh\u01b0 m\u00e1i v\u00f2m. Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p c\u00e1c ph\u00fan xu\u1ea5t th\u1ea1ch, do s\u1ee9c \u0111\u1ea9y t\u1eeb l\u00f2ng \u0111\u1ea5t \u0111\u00e3 b\u1ecb t\u1ed1ng ra ho\u1eb7c c\u1ea3 m\u1ed9t l\u1edbp \u0111\u00e1 b\u1ecb n\u00e2ng cao l\u00ean. D\u00e3y Black Hill \u1edf Nam Dakota (Hoa K\u1ef3) l\u00e0 \u0111i\u1ec3n h\u00ecnh cho lo\u1ea1i n\u00fai n\u00e0y.<\/p>\n\n\n\n
N\u00fai kh\u1ed1i l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a s\u1ef1 g\u00e3y, n\u1ee9t c\u1ee7a v\u1ecf tr\u00e1i \u0111\u1ea5t. M\u1ed9t ph\u1ea7n c\u1ee7a m\u1eb7t \u0111\u1ea5t, c\u00f3 khi l\u00e0 c\u1ea3 m\u1ed9t kh\u1ed1i \u0111\u00e1 v\u0129 \u0111\u1ea1i b\u1ecb \u0111\u1ed9i l\u00ean. D\u00e3y Slerra Nevada \u1edf bang California l\u00e0 m\u1ed9t kh\u1ed1i \u0111\u00e1 d\u00e0i tr\u00ean 600 km, r\u1ed9ng 128 km.<\/p>\n\n\n\n
N\u00fai l\u1eeda do ph\u00fan dung nham, tro v\u00e0 \u0111\u00e1 b\u1ecdt phun t\u1eeb trong l\u00f2ng \u0111\u1ea5t ra. N\u00fai l\u1eeda th\u00f4ng th\u01b0\u1eddng c\u00f3 h\u00ecnh n\u00f3n v\u1edbi c\u00e1i mi\u1ec7ng r\u1ed9ng h\u00ecnh ph\u1ec5u. C\u00e1c n\u00fai l\u1eeda n\u1ed5i ti\u1ebfng l\u00e0 Ranier, Shasta v\u00e0 Hood \u1edf Hoa K\u1ef3, Fujlyama \u1edf Nh\u1eadt, Vesuve \u1edf \u00dd. C\u00f3 nhi\u1ec1u d\u00e3y n\u00fai \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh kh\u00f4ng theo ki\u1ec3u n\u00e0o \u0111\u00e3 m\u00f4 t\u1ea3 tr\u00ean. C\u0169ng c\u00f3 d\u00e3y n\u00fai bao g\u1ed3m \u0111\u1ee7 c\u1ea3 b\u1ed1n ki\u1ec3u \u0111\u00f3 nh\u01b0 d\u00e3y Rocky b\u00ean Hoa K\u1ef3.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 1 – Arkady Leokum \u0111\u1ed1i v\u1edbi con ng\u01b0\u1eddi, n\u00fai qu\u00e1 \u01b0 l\u00e0 v\u0129 \u0111\u1ea1i. V\u00ec th\u1ebf con ng\u01b0\u1eddi c\u1ee9 t\u01b0\u1edfng n\u00fai – th\u00e1ch \u0111\u1ed1 v\u00e0 b\u1ea5t ch\u1ea5p th\u1eddi gian – kh\u00f4ng thay \u0111\u1ed5i v\u00e0 s\u1ebd t\u1ed3n t\u1ea1i y nguy\u00ean nh\u01b0 v\u1eady m\u00e3i. Nh\u01b0ng […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15],"tags":[],"class_list":["post-13500","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13500","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=13500"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13500\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=13500"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=13500"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=13500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}