{"id":211551,"date":"2025-04-16T05:14:41","date_gmt":"2025-04-16T10:14:41","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/04\/fiber-optics-detect-crevasse-icequakes-on-alpine-glacier"},"modified":"2025-04-16T05:14:41","modified_gmt":"2025-04-16T10:14:41","slug":"fiber-optics-detect-crevasse-icequakes-on-alpine-glacier","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/04\/fiber-optics-detect-crevasse-icequakes-on-alpine-glacier","title":{"rendered":"Fiber optics detect crevasse icequakes on alpine glacier"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/fiber-optics-detect-crevasse-icequakes-on-alpine-glacier.jpg\"><\/a><\/p>\n<p>Fiber optic cable deployed on a Swiss glacier has detected the seismic signals of crevasses opening in the ice, confirming that the technology could be useful in monitoring such icequakes, according to a report at the <a href=\"https:\/\/meetings.seismosoc.org\/\" target=\"_blank\">Seismological Society of America\u2019s Annual Meeting<\/a>.<\/p>\n<p>Crevassing is important to the stability of glaciers, especially as they offer a pathway for meltwater to reach the rocky glacier bed to speed up the glacier\u2019s movement and enhance melting. The harsh environment of a crevassed glacier, however, makes it difficult to place traditional seismic instruments to measure icequakes.<\/p>\n<p>The source of seismic signals in an icequake differs from the shear forces of a tectonic earthquake or the explosive source of a chemical or nuclear detonation, explained Tom Hudson of ETH Z\u00fcrich. A crevasse is a \u201ccrack source, where you have pure opening of a fracture just in one direction,\u201d he said.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fiber optic cable deployed on a Swiss glacier has detected the seismic signals of crevasses opening in the ice, confirming that the technology could be useful in monitoring such icequakes, according to a report at the Seismological Society of America\u2019s Annual Meeting. Crevassing is important to the stability of glaciers, especially as they offer a [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-211551","post","type-post","status-publish","format-standard","hentry","category-chemistry"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/211551","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=211551"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/211551\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=211551"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=211551"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=211551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}