{"id":14224,"date":"2026-01-25T01:02:33","date_gmt":"2026-01-25T01:02:33","guid":{"rendered":"https:\/\/icelandgeology.net\/?p=14224"},"modified":"2026-01-25T01:02:33","modified_gmt":"2026-01-25T01:02:33","slug":"dyke-intrusion-in-thordarhyrna-volcano","status":"publish","type":"post","link":"https:\/\/icelandgeology.net\/?p=14224","title":{"rendered":"Dyke intrusion in \u00de\u00f3r\u00f0arhyrna volcano"},"content":{"rendered":"<p>Yesterday (24-January 2026) from 10:27 UTC and until 12:02 UTC an earthquake swarm took place in \u00de\u00f3r\u00f0arhyrna volcano. This earthquake swarm looks like a dyke intrusion in that volcano. Largest earthquake had a magnitude of Mw2,8 and other earthquakes where smaller in magnitude.<\/p>\n<figure id=\"attachment_14226\" aria-describedby=\"caption-attachment-14226\" style=\"width: 540px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-14226 size-full\" src=\"https:\/\/icelandgeology.net\/wp-content\/uploads\/2026\/01\/260124_1635.png\" alt=\"Just south-west of Gr\u00edmsfjall volcano, in the white snow on the map of Vatnaj\u00f6kull glacier a cluster of earthquake is located in \u00de\u00f3r\u00f0arhyrna volcano.\" width=\"540\" height=\"596\" srcset=\"https:\/\/icelandgeology.net\/wp-content\/uploads\/2026\/01\/260124_1635.png 540w, https:\/\/icelandgeology.net\/wp-content\/uploads\/2026\/01\/260124_1635-272x300.png 272w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><figcaption id=\"caption-attachment-14226\" class=\"wp-caption-text\">Earthquake activity in \u00de\u00f3r\u00f0arhyrna volcano. Just south-west of Gr\u00edmsfjall volcano. Copyright of this image belongs to Icelandic Met Office.<\/figcaption><\/figure>\n<p>This earthquake activity is showing a increase in activity in this volcano over the recent years. There has not been a eruption in \u00de\u00f3r\u00f0arhyrna volcano since 1830 to 1903 (year is uncertain). This volcano is inside Gr\u00edmsfjall volcano fissure swarm. There are no clear signs that eruption is going to happen any time soon. This increase in earthquake activity might continue for next 10 to 20 years before an eruption happens in \u00de\u00f3r\u00f0arhyrna volcano. There are more information about \u00de\u00f3r\u00f0arhyrna volcano on <a href=\"https:\/\/icelandicvolcanos.is\/\" target=\"_blank\">Icelandic Volcanoes<\/a> website.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Yesterday (24-January 2026) from 10:27 UTC and until 12:02 UTC an earthquake swarm took place in \u00de\u00f3r\u00f0arhyrna volcano. This earthquake swarm looks like a dyke intrusion in that volcano. Largest earthquake had a magnitude of Mw2,8 and other earthquakes where smaller in magnitude. This earthquake activity is showing a increase in activity in this volcano &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/icelandgeology.net\/?p=14224\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Dyke intrusion in \u00de\u00f3r\u00f0arhyrna volcano&#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":[24,10,64,40,57,32,138],"tags":[],"class_list":["post-14224","post","type-post","status-publish","format-standard","hentry","category-dyke-intrusions","category-earthquakes","category-magma","category-monitoring","category-swarm","category-volcano","category-thordarhyrna"],"_links":{"self":[{"href":"https:\/\/icelandgeology.net\/index.php?rest_route=\/wp\/v2\/posts\/14224","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=14224"}],"version-history":[{"count":3,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=\/wp\/v2\/posts\/14224\/revisions"}],"predecessor-version":[{"id":14228,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=\/wp\/v2\/posts\/14224\/revisions\/14228"}],"wp:attachment":[{"href":"https:\/\/icelandgeology.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}