{"id":31151,"date":"2018-03-12T08:33:05","date_gmt":"2018-03-12T12:33:05","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=31151"},"modified":"2018-03-12T08:33:05","modified_gmt":"2018-03-12T12:33:05","slug":"vernal-equinox-cracks-in-earths-magnetic-field","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2018\/03\/vernal-equinox-cracks-in-earths-magnetic-field\/","title":{"rendered":"Vernal equinox &#8216;cracks&#8217; in Earth&#8217;s magnetic field"},"content":{"rendered":"<div id=\"attachment_29475\" style=\"width: 630px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/12\/GeomagneticStormAurora.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-29475\" class=\"size-full wp-image-29475\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/12\/GeomagneticStormAurora.png\" alt=\"\" width=\"620\" height=\"349\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/12\/GeomagneticStormAurora.png 620w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/12\/GeomagneticStormAurora-300x169.png 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><p id=\"caption-attachment-29475\" class=\"wp-caption-text\">Credit: NOAA SWPC<\/p><\/div>\n<p>(Source: <a href=\"http:\/\/www.southgatearc.org\/news\/2018\/march\/equinox-cracks-forming-in-earths-magnetic-field.htm\" target=\"_blank\" rel=\"noopener\">Southgate ARC<\/a>)<\/p>\n<blockquote>\n<h3>Equinox &#8216;cracks&#8217; forming in Earth&#8217;s magnetic field<\/h3>\n<p>The vernal equinox is less than 10 days away. That means one thing: Cracks are opening in Earth&#8217;s magnetic field.<\/p>\n<p>The seasonal phenomenon is known as the &#8220;Russell-McPherron effect,&#8221; named after the researchers who first explained it more than 40 years ago.<\/p>\n<p>These &#8220;equinox cracks&#8221; are causing geomagnetic activity and bright auroras around the Arctic Circle even without strong solar activity.<\/p>\n<p>Visit today&#8217;s edition of <a href=\"https:\/\/spaceweather.us11.list-manage.com\/track\/click?u=0c5fce34d5ca05f64a13d085d&amp;id=4630b1277e&amp;e=f98eeb7cd6\" target=\"_blank\" rel=\"noopener\">Spaceweather.com<\/a> for the full story.<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>(Source: Southgate ARC) Equinox &#8216;cracks&#8217; forming in Earth&#8217;s magnetic field The vernal equinox is less than 10 days away. That means one thing: Cracks are opening in Earth&#8217;s magnetic field. The seasonal phenomenon is known as the &#8220;Russell-McPherron effect,&#8221; named after the researchers who first explained it more than 40 years ago. These &#8220;equinox cracks&#8221; [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3,810],"tags":[580,4107,811],"class_list":["post-31151","post","type-post","status-publish","format-standard","hentry","category-news","category-space-weather","tag-southgate-arc","tag-space-weather","tag-spaceweather"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-86r","jetpack-related-posts":[{"id":31604,"url":"https:\/\/swling.com\/blog\/2018\/04\/a-second-magnetic-field-discovered\/","url_meta":{"origin":31151,"position":0},"title":"A second magnetic field discovered","author":"Thomas","date":"April 13, 2018","format":false,"excerpt":"(Source: Southgate ARC) The ESA just discovered a second magnetic field surrounding our planet A trio of satellites studying our planet's magnetic field have shown details of the steady swell of a magnetic field produced by the ocean's tides. Four years of data collected by the European Space Agency's (ESA)\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/nasa_earthlight.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/nasa_earthlight.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/nasa_earthlight.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":39808,"url":"https:\/\/swling.com\/blog\/2019\/09\/1921-ny-railroad-storm-could-have-surpassed-intensity-of-1859-carrington-event\/","url_meta":{"origin":31151,"position":1},"title":"1921 NY Railroad Storm could have surpassed intensity of 1859 Carrington Event","author":"Thomas","date":"September 25, 2019","format":false,"excerpt":"(Source: Southgate ARC via Eric McFadden) Scientific American magazine reports new data suggest the 1921 'New York Railroad Storm' could have surpassed the intensity of the famous Carrington Event of 1859 In a paper published in the journal Space Weather,\u00a0Jeffrey Love\u00a0of the U.S. Geological Survey and his colleagues reexamined the\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/06\/Sun-Solar-Flare-CME-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/06\/Sun-Solar-Flare-CME-1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/06\/Sun-Solar-Flare-CME-1.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/06\/Sun-Solar-Flare-CME-1.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":37132,"url":"https:\/\/swling.com\/blog\/2019\/05\/equinox-a-novel-that-blends-sci-fi-with-ham-radio\/","url_meta":{"origin":31151,"position":2},"title":"EQUINOX: A novel that blends sci-fi with ham radio","author":"Thomas","date":"May 7, 2019","format":false,"excerpt":"Many thanks to SWLing Post reader and author, DM Barrett (N4ECW), who recently shared the following press release which features his latest book: FOR IMMEDIATE RELEASE EQUINOX Blends Science Fiction And Amateur Radio 1 May 2019 (Tampa, Florida) A new science fiction narrative, EQUINOX, has taken amateur and shortwave radio\u2026","rel":"","context":"In &quot;Books&quot;","block_context":{"text":"Books","link":"https:\/\/swling.com\/blog\/category\/books\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/05\/Equinox-Book-768x1024.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/05\/Equinox-Book-768x1024.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/05\/Equinox-Book-768x1024.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":35546,"url":"https:\/\/swling.com\/blog\/2019\/01\/building-a-raspberry-pi-magnetometer-network\/","url_meta":{"origin":31151,"position":3},"title":"Building a Raspberry Pi magnetometer network","author":"Thomas","date":"January 13, 2019","format":false,"excerpt":"(Source: Southgate ARC) Ciar\u00e1n Beggan\u00a0of the British Geological Survey describes how a network of 9 Raspberry Pi magnetometers were deployed to schools around the UK to measure geomagnetic storms As computers such as the Raspberry Pi and geophysical sensors have become smaller and cheaper it is now possible to build\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/01\/Screen-Shot-2019-01-13-at-6.09.05-AM.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":2650,"url":"https:\/\/swling.com\/blog\/2012\/01\/npr-explains-space-weather-and-the-cme-heading-our-way\/","url_meta":{"origin":31151,"position":4},"title":"NPR explains space weather and the CME heading our way","author":"Thomas","date":"January 24, 2012","format":false,"excerpt":"I think this is one of the best, simple explanations of space weather that I've seen lately: (Source: NPR) Space weather, as it is called, originates with solar magnetic activity. The sun is a giant spinning ball of charged particles. In addition to its spin, the heat released from the\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2012\/01\/CMEm9-300x300.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":30763,"url":"https:\/\/swling.com\/blog\/2018\/02\/solar-minimum-a-relative-large-sunspot-makes-appearance\/","url_meta":{"origin":31151,"position":5},"title":"Solar Minimum: A &#8220;relatively large&#8221; sunspot makes appearance","author":"Thomas","date":"February 6, 2018","format":false,"excerpt":"(Source: Southgate ARC) With Solar Minimum right around the corner, sunspot counts are at an almost 10-year low. So it came as a surprise yesterday when a relatively large sunspot emerged near the sun's eastern limb. AR2699\u00a0has a primary dark core larger than Earth with many smaller magnetic condensations trailing\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"Sunspots","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/02\/Sunspot.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/31151","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/comments?post=31151"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/31151\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=31151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=31151"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=31151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}