{"id":5448,"date":"2015-01-30T00:24:35","date_gmt":"2015-01-30T00:24:35","guid":{"rendered":"http:\/\/icelandgeology.net\/?p=5448"},"modified":"2015-01-30T00:49:22","modified_gmt":"2015-01-30T00:49:22","slug":"possible-minor-eruption-in-bardarbunga-volcano-caldera","status":"publish","type":"post","link":"https:\/\/icelandgeology.net\/?p=5448","title":{"rendered":"Possible minor eruption in B\u00e1r\u00f0arbunga volcano caldera"},"content":{"rendered":"<p>It appears that at 21:22 UTC (on 29-January-2015) a possible minor eruption might have taken place somewhere along the <a href=\"http:\/\/www.volcano.si.edu\/volcano.cfm?vn=373030\" target=\"_blank\">B\u00e1r\u00f0arbunga<\/a> volcano caldera rim or in it slopes. <strong>I don&#8217;t have any confirmation yet<\/strong>, but this is what the tremor data suggest at the moment. This minor eruption appears to have lasted around 30 &#8211; 55 minutes in total. If there was an high amount of glacier melt the glacier water is going to start appearing in J\u00f6kuls\u00e1 \u00e1 fj\u00f6llum or other glacier rivers that come from Vatnaj\u00f6kull in next 8 &#8211; 18 hours. Depending on the router the water takes. I don&#8217;t know where it is going to go, but the highest chance is that it is going to appear in J\u00f6kuls\u00e1 \u00e1 fj\u00f6llum glacier river. This minor eruption was followed by a minor earthquake swarm, the largest earthquake in that swarm had the magnitude of ~4,5 according to automatic results.<\/p>\n<p><a href=\"http:\/\/icelandgeology.net\/wp-content\/uploads\/2015\/01\/150129_2350.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/icelandgeology.net\/wp-content\/uploads\/2015\/01\/150129_2350.png\" alt=\"150129_2350\" width=\"540\" height=\"596\" class=\"aligncenter size-full wp-image-5449\" srcset=\"https:\/\/icelandgeology.net\/wp-content\/uploads\/2015\/01\/150129_2350.png 540w, https:\/\/icelandgeology.net\/wp-content\/uploads\/2015\/01\/150129_2350-272x300.png 272w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/a><br \/>\nThe earthquake activity that followed this harmonic tremor (the red dots). <em>Copyright of this image belongs to Icelandic Met Office.<\/em><\/p>\n<p><a href=\"http:\/\/icelandgeology.net\/wp-content\/uploads\/2015\/01\/dyn.svd_.29.01.2015.at_.23.55.utc_.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/icelandgeology.net\/wp-content\/uploads\/2015\/01\/dyn.svd_.29.01.2015.at_.23.55.utc_.gif\" alt=\"dyn.svd.29.01.2015.at.23.55.utc\" width=\"640\" height=\"480\" class=\"aligncenter size-full wp-image-5450\" \/><\/a><br \/>\nThe harmonic tremor spike can be seen on Dynjuh\u00e1ls SIL station at the end of the blue line, where it spikes up. <em>Copyright of this image belongs to Icelandic Met Office.<\/em><\/p>\n<p><a href=\"http:\/\/icelandgeology.net\/wp-content\/uploads\/2015\/01\/skr.svd_.29.01.2015.at_.23.45.utc_.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/icelandgeology.net\/wp-content\/uploads\/2015\/01\/skr.svd_.29.01.2015.at_.23.45.utc_.gif\" alt=\"skr.svd.29.01.2015.at.23.45.utc\" width=\"640\" height=\"480\" class=\"aligncenter size-full wp-image-5451\" \/><\/a><br \/>\nThe harmonic tremor spike as it appears on the SIL station on Skrokkalda. The spike is clear based on other activity that appears clearly on this SIL station (earthquakes). <em>Copyright of this image belongs to Icelandic Met Office.<\/em><\/p>\n<p><a href=\"http:\/\/icelandgeology.net\/wp-content\/uploads\/2015\/01\/dyn1_trem.svd_.29.01.2015.at_.23.58.utc_.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/icelandgeology.net\/wp-content\/uploads\/2015\/01\/dyn1_trem.svd_.29.01.2015.at_.23.58.utc_.gif\" alt=\"dyn1_trem.svd.29.01.2015.at.23.58.utc\" width=\"940\" height=\"480\" class=\"aligncenter size-full wp-image-5452\" \/><\/a> High resolution image of the harmonic tremor on Dyngjuh\u00e1ls SIL station. This is the signature of eruption under the glacier. Even if it was just a small one. <em>Copyright of this image belongs to Icelandic Met Office.<\/em><\/p>\n<p>If anything more happens I am going to post update soon as possible. I am going to write about the earthquake swarm on the Reykjanes Ridge tomorrow. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>It appears that at 21:22 UTC (on 29-January-2015) a possible minor eruption might have taken place somewhere along the B\u00e1r\u00f0arbunga volcano caldera rim or in it slopes. I don&#8217;t have any confirmation yet, but this is what the tremor data suggest at the moment. This minor eruption appears to have lasted around 30 &#8211; 55 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/icelandgeology.net\/?p=5448\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Possible minor eruption in B\u00e1r\u00f0arbunga volcano caldera&#8221;<\/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":[7,169,24,10,34,71,33,17,89,9,41,64,40,57,32],"tags":[],"class_list":["post-5448","post","type-post","status-publish","format-standard","hentry","category-bararbunga","category-caldera","category-dyke-intrusions","category-earthquakes","category-eruptions","category-fissures","category-glacier-flood","category-gps-data","category-gps-monitoring","category-harmonic-tremors","category-hydrothermal","category-magma","category-monitoring","category-swarm","category-volcano"],"_links":{"self":[{"href":"https:\/\/icelandgeology.net\/index.php?rest_route=\/wp\/v2\/posts\/5448","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/icelandgeology.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/icelandgeology.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5448"}],"version-history":[{"count":2,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=\/wp\/v2\/posts\/5448\/revisions"}],"predecessor-version":[{"id":5454,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=\/wp\/v2\/posts\/5448\/revisions\/5454"}],"wp:attachment":[{"href":"https:\/\/icelandgeology.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}