{"id":133973,"date":"2021-01-15T10:41:40","date_gmt":"2021-01-15T20:41:40","guid":{"rendered":"https:\/\/www.hawaii.edu\/news\/?p=133973"},"modified":"2021-01-15T11:31:55","modified_gmt":"2021-01-15T21:31:55","slug":"fresh-volcanic-samples-kilauea","status":"publish","type":"post","link":"https:\/\/www.hawaii.edu\/news\/2021\/01\/15\/fresh-volcanic-samples-kilauea\/","title":{"rendered":"Fresh volcanic samples offer clues into new K\u012blauea eruption"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading time: <\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><figure id=\"attachment_133991\" aria-describedby=\"caption-attachment-133991\" style=\"width: 676px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2021\/01\/manoa-soest-volcanic-materials.jpg\" alt=\"sample under a microscope\" width=\"676\" height=\"381\" class=\"size-full wp-image-133991\" srcset=\"https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2021\/01\/manoa-soest-volcanic-materials.jpg 676w, https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2021\/01\/manoa-soest-volcanic-materials-300x169.jpg 300w, https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2021\/01\/manoa-soest-volcanic-materials-130x73.jpg 130w\" sizes=\"auto, (max-width: 676px) 100vw, 676px\" \/><figcaption id=\"caption-attachment-133991\" class=\"wp-caption-text\">Electron Microprobe image with small and larger crystals typical of K&#299;lauea lava. (Photo credit: <abbr>UH<\/abbr> <abbr>EMP<\/abbr> Lab<\/figcaption><\/figure>\n<p>A rapid-response effort to analyze samples of K&#299;lauea lava commenced shortly after the most recent eruption began within the summit of K&#299;lauea Volcano on <span aria-label=\"Hawaii\">Â鶹´«Ã½<\/span> Island on December 20. Insights from such freshly erupted volcanic materials offer clues about the processes deep within the volcano that influence its eruptive behavior.<\/p>\n<p><strong>Julia Hammer<\/strong> and <strong>Thomas Shea<\/strong>, <a href=\"http:\/\/www.soest.hawaii.edu\/GG\/\">Earth sciences<\/a> professors at the University of <span aria-label=\"Hawaii\">Â鶹´«Ã½<\/span> at M&#257;noa <a href=\"https:\/\/www.soest.hawaii.edu\/soestwp\/\">School of Ocean and Earth Science and Technology<\/a> (<abbr>SOEST<\/abbr>) led the initiative to analyze samples of K&#299;lauea lava in the Electron Microprobe (<abbr>EMP<\/abbr>) Laboratory.<\/p>\n<ul>\n<li>More research on the K&#299;lauea Volcano eruption: <a href=\"https:\/\/www.hawaii.edu\/news\/2021\/01\/05\/vog-team-kilauea-eruption\/\">Vog team busy with new K\u012blauea eruption<\/a>, January 5, 2021<\/li>\n<\/ul>\n<p>In coordination with the U.S. Geological Survey\u2019s <a href=\"https:\/\/www.usgs.gov\/observatories\/hawaiian-volcano-observatory\">Hawaiian Volcano Observatory<\/a> (<abbr>HVO<\/abbr>) and <a href=\"https:\/\/hilo.hawaii.edu\/\"><abbr title=\"University of Hawaii\">UH<\/abbr> Hilo<\/a>, the <abbr>EMP<\/abbr> Lab team, including graduate student <strong>Adrien Mourey<\/strong>, received five samples with glassy particles ejected from the summit crater during lava fountaining on December 20 and 21.<\/p>\n<figure id=\"attachment_133116\" aria-describedby=\"caption-attachment-133116\" style=\"width: 300px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2020\/12\/hilo-kilauea-hilo-alumni-1a-300x169.jpg\" alt=\"kilauea eruption\" width=\"300\" height=\"169\" class=\"size-medium wp-image-133116\" srcset=\"https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2020\/12\/hilo-kilauea-hilo-alumni-1a-300x169.jpg 300w, https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2020\/12\/hilo-kilauea-hilo-alumni-1a-130x73.jpg 130w, https:\/\/www.hawaii.edu\/news\/wp-content\/uploads\/2020\/12\/hilo-kilauea-hilo-alumni-1a.jpg 676w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-133116\" class=\"wp-caption-text\">(<abbr>NPS<\/abbr> Photo\/Janice Wei)<\/figcaption><\/figure>\n<p>Using advanced analytical techniques and expertise, the team determined the textures and the chemical compositions of glassy ash particles, crystals and Pele&#8217;s hair in an effort to better understand the start of the recent eruption.<\/p>\n<p>&ldquo;The chemical and physical characteristics of the lava are important for evaluating whether magma recently arrived from depth, that is from Earth\u2019s mantle, or was stored inside the volcano since the last eruption in 2018,&rdquo; said Hammer. &ldquo;This information, combined with geophysical measurements, geological mapping, gas monitoring and data from other sensors, helps scientists track the current activity and understand its place in K&#299;lauea&#8217;s overall pattern of recent eruptions.&rdquo;<\/p>\n<p>The lava samples were collected from trays and buckets set at the edge of <span aria-label=\"Halemaumau\">Halema&#699;uma&#699;u<\/span> crater by <abbr>HVO<\/abbr> geologists for that purpose. Once they arrived at <abbr>UH<\/abbr> M&#257;noa, the delicate samples were mounted in epoxy, polished to a mirror-smooth finish, and analyzed with the <abbr>EMP<\/abbr> over two days.<\/p>\n<p>Hammer and Shea were able to provide information to <abbr>HVO<\/abbr> and <abbr>UH<\/abbr> Hilo scientists within about a week after the magma erupted.<\/p>\n<p>This research is an example of <abbr>UH<\/abbr> M&#257;noa\u2019s goal of Excellence in Research: Advancing the Research and Creative Work Enterprise (<span class=\"small-text\"><abbr title=\"Portable Document Format\">PDF<\/abbr><\/span>), one of four goals identified in the 2015&#8211;25 Â鶹´«Ã½ (<span class=\"small-text\"><abbr title=\"Portable Document Format\">PDF<\/abbr><\/span>), updated in December 2020.<\/p>\n<p>For more information see <a href=\"https:\/\/www.soest.hawaii.edu\/soestwp\/announce\/news\/rapid-response-provides-window-into-ongoing-kilauea-eruption\/\"><abbr>SOEST<\/abbr>\u2019s website<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Earth sciences professors led a rapid response effort to analyze fresh samples of K&#299;lauea lava in the Electron Microprobe Laboratory.<\/p>\n","protected":false},"author":16,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[1187,1467,1363,92,9,108],"class_list":["post-133973","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-research","tag-earth-science","tag-manoa-excellence-in-research","tag-manoa-research","tag-school-of-ocean-and-earth-science-and-technology","tag-uh-manoa","tag-volcano","entry","has-media"],"aioseo_notices":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/posts\/133973","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/comments?post=133973"}],"version-history":[{"count":14,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/posts\/133973\/revisions"}],"predecessor-version":[{"id":134001,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/posts\/133973\/revisions\/134001"}],"wp:attachment":[{"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/media?parent=133973"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/categories?post=133973"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/tags?post=133973"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}