{"id":9062,"date":"2021-03-09T17:22:25","date_gmt":"2021-03-09T17:22:25","guid":{"rendered":"https:\/\/icelandgeology.net\/?p=9062"},"modified":"2021-03-09T17:22:25","modified_gmt":"2021-03-09T17:22:25","slug":"harmonic-tremor-pulse-during-the-night-until-morning-in-fagradalsfjall-volcano-9-march-2021","status":"publish","type":"post","link":"https:\/\/icelandgeology.net\/?p=9062","title":{"rendered":"Harmonic tremor pulse during the night until morning in Fagradalsfjall volcano (9-March-2021)"},"content":{"rendered":"<p>This is a short article on the activity in <a href=\"https:\/\/volcano.si.edu\/volcano.cfm?vn=371800\" rel=\"noopener\" target=\"_blank\">Fagradalsfjall<\/a> volcano. This situation is developing quickly and it is impossible to know what happens next.<\/p>\n<p>During the night of 9-March-2021 from 05:20 UTC until around 07:00 UTC an harmonic tremor pulse was detected by Icelandic Met Office. This shows that the magma is still expanding into the Earth crust below Fagradalsfjall mountain and according to Icelandic Met Office it looks like the dyke is expanding in south direction but it is going to take a day or two to confirm that with GPS data.<\/p>\n<figure id=\"attachment_9063\" aria-describedby=\"caption-attachment-9063\" style=\"width: 525px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/icelandgeology.net\/wp-content\/uploads\/2021\/03\/Skjalfta-lisa-Fagradalsfjall-09-03-2021.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/icelandgeology.net\/wp-content\/uploads\/2021\/03\/Skjalfta-lisa-Fagradalsfjall-09-03-2021-1024x481.png\" alt=\"Earthquake activity in the volcano Fagradalsfjall. Dots on a generated map my a program called Skj\u00e1lfta-L\u00edsa shows the most recent earthquake activity from midnight until 16:18\" width=\"525\" height=\"247\" class=\"size-large wp-image-9063\" srcset=\"https:\/\/icelandgeology.net\/wp-content\/uploads\/2021\/03\/Skjalfta-lisa-Fagradalsfjall-09-03-2021-1024x481.png 1024w, https:\/\/icelandgeology.net\/wp-content\/uploads\/2021\/03\/Skjalfta-lisa-Fagradalsfjall-09-03-2021-300x141.png 300w, https:\/\/icelandgeology.net\/wp-content\/uploads\/2021\/03\/Skjalfta-lisa-Fagradalsfjall-09-03-2021-768x361.png 768w, https:\/\/icelandgeology.net\/wp-content\/uploads\/2021\/03\/Skjalfta-lisa-Fagradalsfjall-09-03-2021-1536x721.png 1536w, https:\/\/icelandgeology.net\/wp-content\/uploads\/2021\/03\/Skjalfta-lisa-Fagradalsfjall-09-03-2021.png 1851w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/a><figcaption id=\"caption-attachment-9063\" class=\"wp-caption-text\">Earthquake activity in Fagradalsfjall volcano. This shows the possible location of the south end of the magma dyke. Copyright of this image belongs to Icelandic Met Office.<\/figcaption><\/figure>\n<p>There have been fewer stronger earthquakes in last few days. While the there are fewer strong earthquakes the amount of earthquakes has not really dropped in any number, most earthquakes are small in magnitude and only few reach magnitude above Mw3,0. This quiet period is not expected to last for any amount of time while magma continues to be injected into the crust of Fagradalsfjall volcano. There continues to be a high risk for earthquake with magnitude Mw6,0 to Mw6,5 along with risk of Mw6,5 earthquake in <a href=\"https:\/\/volcano.si.edu\/volcano.cfm?vn=371040\" rel=\"noopener\" target=\"_blank\">Brennisteinsfj\u00f6ll<\/a> volcano. Currently no magma movement is being detected in Reykjanes volcano, Kr\u00fdsuv\u00edk volcano or Brennisteinsfj\u00f6ll volcano.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is a short article on the activity in Fagradalsfjall volcano. This situation is developing quickly and it is impossible to know what happens next. During the night of 9-March-2021 from 05:20 UTC until around 07:00 UTC an harmonic tremor pulse was detected by Icelandic Met Office. This shows that the magma is still expanding &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/icelandgeology.net\/?p=9062\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Harmonic tremor pulse during the night until morning in Fagradalsfjall volcano (9-March-2021)&#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":[24,10,204,71,17,89,9,19,64,40,96,207,57,32],"tags":[],"class_list":["post-9062","post","type-post","status-publish","format-standard","hentry","category-dyke-intrusions","category-earthquakes","category-fagradalsfjall","category-fissures","category-gps-data","category-gps-monitoring","category-harmonic-tremors","category-inflation","category-magma","category-monitoring","category-mountain","category-reykjanes-peninsula","category-swarm","category-volcano"],"_links":{"self":[{"href":"https:\/\/icelandgeology.net\/index.php?rest_route=\/wp\/v2\/posts\/9062","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=9062"}],"version-history":[{"count":1,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=\/wp\/v2\/posts\/9062\/revisions"}],"predecessor-version":[{"id":9064,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=\/wp\/v2\/posts\/9062\/revisions\/9064"}],"wp:attachment":[{"href":"https:\/\/icelandgeology.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9062"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9062"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9062"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}