{"id":1652,"date":"2016-01-11T00:21:55","date_gmt":"2016-01-11T00:21:55","guid":{"rendered":"http:\/\/eldstod.com\/?p=1652"},"modified":"2016-01-11T00:21:55","modified_gmt":"2016-01-11T00:21:55","slug":"jardskjalftavirkni-i-bardarbungu-vika-01-2016","status":"publish","type":"post","link":"https:\/\/eldstod.com\/?p=1652","title":{"rendered":"Jar\u00f0skj\u00e1lftavirkni \u00ed B\u00e1r\u00f0arbungu (vika 01 2016)"},"content":{"rendered":"<p>N\u00faverandi jar\u00f0skj\u00e1lftavirkni \u00ed <a href=\"http:\/\/volcano.si.edu\/volcano.cfm?vn=373030\" target=\"_blank\">B\u00e1r\u00f0arbungu<\/a> mun gerast reglulega \u00feanga\u00f0 til a\u00f0 n\u00e6sta eldgos ver\u00f0ur. Vegna \u00feess mun \u00e9g ekki skrifa um allar \u00fe\u00e6r jar\u00f0skj\u00e1lftahrinur sem munu eiga s\u00e9r sta\u00f0 \u00ed B\u00e1r\u00f0arbungu, \u00e9g mun helst skrifa um jar\u00f0skj\u00e1lftahrinur \u00fear sem jar\u00f0skj\u00e1lftar ver\u00f0a st\u00e6rri en 3,0 ver\u00f0a. Sta\u00f0an \u00ed B\u00e1r\u00f0arbungu er a\u00f0 ver\u00f0a fl\u00f3knari vegna aukinnar virkni kviku \u00e1 miklu d\u00fdpi og einnig vegna \u00feess a\u00f0 kvikan er a\u00f0 b\u00faa s\u00e9r til lei\u00f0ir upp \u00e1 yfirbor\u00f0i\u00f0 \u00e1 m\u00f6rgum n\u00fdjum st\u00f6\u00f0um. S\u00ed\u00f0an eldgosinu \u00ed Holuhrauni lauk \u00fe\u00e1 hefur jar\u00f0skj\u00e1lftum veri\u00f0 a\u00f0 fj\u00f6lga \u00ed B\u00e1r\u00f0arbungu \u00e1 undanf\u00f6rnum m\u00e1nu\u00f0um. \u00deetta s\u00e9st best \u00e1 \u00fev\u00ed a\u00f0 n\u00e6stum \u00fev\u00ed hverri viku ver\u00f0a jar\u00f0skj\u00e1lftar sem n\u00e1 st\u00e6r\u00f0inni 3,0 e\u00f0a sterkari \u00ed B\u00e1r\u00f0arbungu. \u00dea\u00f0 hefur einnig veri\u00f0 a\u00f0 koma fram dj\u00fap jar\u00f0skj\u00e1lftavirkni undir Tr\u00f6lladyngju \u00cd upphafi var jar\u00f0skj\u00e1lftavirknin \u00e1 28 km d\u00fdpi en er n\u00fana komin upp \u00ed r\u00famlega 20 km d\u00fdpi, \u00fea\u00f0 ferli t\u00f3k a\u00f0eins 1,5 til 2,5 m\u00e1nu\u00f0i (mj\u00f6g stuttur t\u00edmi). \u00dea\u00f0 er m\u00edn sko\u00f0un a\u00f0 \u00feessi jar\u00f0skj\u00e1lftavirkni \u00ed Tr\u00f6lladyngju s\u00e9 \u00e1hyggjuefni. \u00dea\u00f0 er alltaf m\u00f6guleiki \u00e1 \u00fev\u00ed a\u00f0 kvikan <strong>stoppi<\/strong> og komist ekki upp \u00e1 yfirbor\u00f0i\u00f0 \u00ed Tr\u00f6lladyngju. Ef kvikan kemst mj\u00f6g n\u00e6rri yfirbor\u00f0inu \u00e1n \u00feess a\u00f0 gj\u00f3sa \u00fe\u00e1 g\u00e6ti myndast n\u00fd h\u00e6\u00f0 e\u00f0a h\u00e1hitasv\u00e6\u00f0i. Hva\u00f0 svo sem gerist \u00e1 \u00feessu sv\u00e6\u00f0i ver\u00f0ur \u00e1hugavert.<\/p>\n<p><a href=\"http:\/\/eldstod.com\/wp-content\/uploads\/2016\/01\/160110_2155.png\" rel=\"attachment wp-att-1654\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/eldstod.com\/wp-content\/uploads\/2016\/01\/160110_2155.png\" alt=\"160110_2155\" width=\"540\" height=\"596\" class=\"aligncenter size-full wp-image-1654\" srcset=\"https:\/\/eldstod.com\/wp-content\/uploads\/2016\/01\/160110_2155.png 540w, https:\/\/eldstod.com\/wp-content\/uploads\/2016\/01\/160110_2155-272x300.png 272w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/a><br \/>\nJar\u00f0skj\u00e1lftavirknin \u00ed B\u00e1r\u00f0arbungu \u00ed g\u00e6r (10-Jan\u00faar-2016). <em>H\u00f6fundar\u00e9ttur \u00feessar myndar tilheyrir Ve\u00f0urstofu \u00cdslands.<\/em><\/p>\n<p>Seinna vandam\u00e1li\u00f0 sem er a\u00f0 koma fram n\u00fana er Loki-F\u00f6grufj\u00f6ll einnig \u00feekkt sem Hamarinn. Jar\u00f0skj\u00e1lftinn sem \u00e1tti s\u00e9r sta\u00f0 \u00ed Hamarinum var me\u00f0 st\u00e6r\u00f0ina 3,2 og d\u00fdpi\u00f0 0,7 km. \u00cd B\u00e1r\u00f0arbungu var\u00f0 einnig jar\u00f0skj\u00e1lfti me\u00f0 st\u00e6r\u00f0ina 3,2 og d\u00fdpi\u00f0 0,1 km. Hamarinn er fl\u00f3kin eldst\u00f6\u00f0 me\u00f0 grunn kvikuh\u00f3lf. Eftir s\u00ed\u00f0asta j\u00f6kulhlaup \u00far skaft\u00e1rk\u00f6tlum var lj\u00f3st a\u00f0 jar\u00f0hitasv\u00e6\u00f0i\u00f0 er a\u00f0 st\u00e6kka og a\u00f0 auka virkni s\u00edna. \u00dea\u00f0 \u00fe\u00fd\u00f0ir a\u00f0 aukin orka er a\u00f0 fl\u00e6\u00f0a inn \u00ed jar\u00f0hitasv\u00e6\u00f0in \u00ed Hamrinum. \u00dea\u00f0 gerist eing\u00f6ngu \u00feegar n\u00fd og heitari kvika kemur inn \u00ed eldst\u00f6\u00f0ina. \u00deessi breyting er varas\u00f6m, b\u00e6\u00f0i til styttri og lengri t\u00edma. Til styttri t\u00edma \u00fe\u00fd\u00f0ir \u00feetta a\u00f0 m\u00ednu \u00e1liti a\u00f0 aukin h\u00e6tta s\u00e9 \u00e1 litlum eldgosum \u00ed Hamrinum. H\u00e6ttan a\u00f0 st\u00f3rum eldgosum hefur einnig aukist vi\u00f0 \u00feessa breytingu \u00ed Hamrinum. S\u00ed\u00f0asta st\u00f3ra eldgos \u00ed Hamrinum var\u00f0 \u00e1ri\u00f0 1910 \u00ed J\u00fan\u00ed til Okt\u00f3ber 1910. S\u00ed\u00f0asta litla eldgos \u00ed Hamrinum var\u00f0 \u00ed J\u00fal\u00ed 2011 a\u00f0 m\u00ednu \u00e1liti. \u00dea\u00f0 eldgos hefur ekki veri\u00f0 sta\u00f0fest af jar\u00f0fr\u00e6\u00f0ingum og \u00e9g veit ekki afhverju \u00fea\u00f0 er raunin. J\u00f6kul-fl\u00f3\u00f0 fylgdi \u00fev\u00ed litla eldgosi.<\/p>\n<p>Til \u00feess a\u00f0 auka fl\u00e6kjustigi\u00f0 \u00fe\u00e1 er h\u00e6tta \u00e1 eldgosum \u00e1 sv\u00e6\u00f0um \u00fear sem ekki hefur gosi\u00f0 \u00e1\u00f0ur, \u00fear sem h\u00e6tta er \u00e1 \u00fev\u00ed a\u00f0 n\u00fdjar sprungur opnist \u00e1n mikils fyrirvara \u00ed n\u00e1grenni vi\u00f0 B\u00e1r\u00f0arbungu. Einnig sem a\u00f0 kvikuinnskot g\u00e6tu fari\u00f0 \u00e1 n\u00fd sv\u00e6\u00f0i \u00e1n nokkurs fyrirvara. \u00dea\u00f0 er hugsanlegt a\u00f0 n\u00faverandi eldgosat\u00edmabil \u00ed B\u00e1r\u00f0arbungu vari n\u00e6stu 20 \u00e1rin. Eldgosat\u00edmabili\u00f0 sem h\u00f3fst \u00e1ri\u00f0 1862 lauk ekki fyrr en \u00e1ri\u00f0 1910. N\u00fdjasta eldgosat\u00edmabili\u00f0 h\u00f3fst \u00e1ri\u00f0 2014 og \u00fea\u00f0 er enn\u00fe\u00e1 \u00ed gangi. Lengsta eldgosat\u00edmabili\u00f0 sem \u00e9g s\u00e9 \u00ed g\u00f6gnum GVP (Global Volcanism Program) h\u00f3fst \u00e1ri\u00f0 1697, en \u00fev\u00ed lauk ekki fyrr en 1797.<\/p>\n<p><strong>Virkni \u00ed Heklu<\/strong><\/p>\n<p>\u00cd dag var\u00f0 stakur jar\u00f0skj\u00e1lfti me\u00f0 st\u00e6r\u00f0ina 1,7 \u00ed <a href=\"http:\/\/volcano.si.edu\/volcano.cfm?vn=372070\" target=\"_blank\">Heklu<\/a>. Engin frekari jar\u00f0skj\u00e1lftavirkni var\u00f0 \u00ed Heklu \u00e1 kj\u00f6lfari\u00f0 \u00e1 \u00feessum jar\u00f0skj\u00e1lfta.<\/p>\n<p><strong>Frostabrestir<\/strong><\/p>\n<p>S\u00ed\u00f0astli\u00f0inn s\u00f3larhring hefur veri\u00f0 mj\u00f6g kalt \u00e1 \u00cdslandi. \u00deetta hefur valdi\u00f0 frostabrestum v\u00ed\u00f0a \u00e1 landinu undanfarinn s\u00f3larhring. \u00deeir geta komi\u00f0 fram sem h\u00e6rri \u00f3r\u00f3i \u00e1 SIL st\u00f6\u00f0vum (bl\u00e1a bandi\u00f0). Einnig sem a\u00f0 frostabrestir geta komi\u00f0 fram sem mj\u00f6g litlir jar\u00f0skj\u00e1lftar \u00e1 m\u00e6lakorti Ve\u00f0urstofu \u00cdslands.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u00faverandi jar\u00f0skj\u00e1lftavirkni \u00ed B\u00e1r\u00f0arbungu mun gerast reglulega \u00feanga\u00f0 til a\u00f0 n\u00e6sta eldgos ver\u00f0ur. Vegna \u00feess mun \u00e9g ekki skrifa um allar \u00fe\u00e6r jar\u00f0skj\u00e1lftahrinur sem munu eiga s\u00e9r sta\u00f0 \u00ed B\u00e1r\u00f0arbungu, \u00e9g mun helst skrifa um jar\u00f0skj\u00e1lftahrinur \u00fear sem jar\u00f0skj\u00e1lftar ver\u00f0a st\u00e6rri en 3,0 ver\u00f0a. Sta\u00f0an \u00ed B\u00e1r\u00f0arbungu er a\u00f0 ver\u00f0a fl\u00f3knari vegna aukinnar virkni kviku &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/eldstod.com\/?p=1652\" class=\"more-link\">Lesa \u00e1fram<span class=\"screen-reader-text\"> &#8222;Jar\u00f0skj\u00e1lftavirkni \u00ed B\u00e1r\u00f0arbungu (vika 01 2016)&#8220;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,12,15,19,7,10,27,17,21,79],"tags":[],"class_list":["post-1652","post","type-post","status-publish","format-standard","hentry","category-bardarbunga","category-eldstod","category-hamarinn","category-hekla","category-jardskjalftahrina","category-jardskjalftar","category-kvika","category-kvikuinnskot","category-voktun","category-thensla"],"_links":{"self":[{"href":"https:\/\/eldstod.com\/index.php?rest_route=\/wp\/v2\/posts\/1652","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eldstod.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eldstod.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eldstod.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/eldstod.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1652"}],"version-history":[{"count":4,"href":"https:\/\/eldstod.com\/index.php?rest_route=\/wp\/v2\/posts\/1652\/revisions"}],"predecessor-version":[{"id":1657,"href":"https:\/\/eldstod.com\/index.php?rest_route=\/wp\/v2\/posts\/1652\/revisions\/1657"}],"wp:attachment":[{"href":"https:\/\/eldstod.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eldstod.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1652"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eldstod.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}