{"id":9896,"date":"2021-12-04T17:36:52","date_gmt":"2021-12-04T17:36:52","guid":{"rendered":"https:\/\/icelandgeology.net\/?p=9896"},"modified":"2021-12-04T17:56:11","modified_gmt":"2021-12-04T17:56:11","slug":"sharp-change-in-harmonic-tremor-in-grimsfjall-volcano","status":"publish","type":"post","link":"https:\/\/icelandgeology.net\/?p=9896","title":{"rendered":"Sharp change in harmonic tremor in Gr\u00edmsfjall volcano"},"content":{"rendered":"<p>This situation is unclear and nothing has been confirmed as of writing of this article. This seems to have started about 1 hour ago and there has been a change in the harmonic tremor levels at <a href=\"https:\/\/volcano.si.edu\/volcano.cfm?vn=373010\" target=\"_blank\" rel=\"noopener\">Gr\u00edmsfjall<\/a> volcano. This is not yet the super sharp change I did see in May-2011 when that eruption happened. This is however is possibly a change in harmonic tremor that is consistent with magma moving inside the volcano system. Earthquake activity has been minimal in the last 24 hours.<\/p>\n<figure id=\"attachment_9897\" aria-describedby=\"caption-attachment-9897\" style=\"width: 640px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/icelandgeology.net\/wp-content\/uploads\/2021\/12\/grf-04-12-2021-at-1727utc.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9897 size-full\" src=\"https:\/\/icelandgeology.net\/wp-content\/uploads\/2021\/12\/grf-04-12-2021-at-1727utc.gif\" alt=\"Harmonic tremor on blue, green and purple harmoniuc tremor bands going up sharply in the last one hour.\" width=\"640\" height=\"480\" \/><\/a><figcaption id=\"caption-attachment-9897\" class=\"wp-caption-text\">Harmonic tremor changes in Gr\u00edmsfjall volcano in the last one hour (article written at 17:34 UTC on 04-December-2021). Copyright of this image belongs to Icelandic Met Office.<\/figcaption><\/figure>\n<p>This is a monitoring situation currently. Sometimes an eruption happens after a glacier flood or doing a glacier flood in Gr\u00edmsfjall volcano. At other times however nothing happens and it is not possible to know what happens now.<\/p>\n<p><strong>Donations<\/strong><\/p>\n<p>Please remember to support my work with donations. Thanks for the support. \ud83d\ude42<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This situation is unclear and nothing has been confirmed as of writing of this article. This seems to have started about 1 hour ago and there has been a change in the harmonic tremor levels at Gr\u00edmsfjall volcano. This is not yet the super sharp change I did see in May-2011 when that eruption happened. &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/icelandgeology.net\/?p=9896\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Sharp change in harmonic tremor in Gr\u00edmsfjall 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":[10,14,64,40,57,32],"tags":[279,222],"class_list":["post-9896","post","type-post","status-publish","format-standard","hentry","category-earthquakes","category-grimsvotn-grimsfjall","category-magma","category-monitoring","category-swarm","category-volcano","tag-grimsfjall","tag-iceland"],"_links":{"self":[{"href":"https:\/\/icelandgeology.net\/index.php?rest_route=\/wp\/v2\/posts\/9896","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=9896"}],"version-history":[{"count":1,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=\/wp\/v2\/posts\/9896\/revisions"}],"predecessor-version":[{"id":9898,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=\/wp\/v2\/posts\/9896\/revisions\/9898"}],"wp:attachment":[{"href":"https:\/\/icelandgeology.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/icelandgeology.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}