{"id":46637,"date":"2024-11-16T05:33:44","date_gmt":"2024-11-16T05:33:44","guid":{"rendered":"https:\/\/edukemy.com\/blog\/?p=46637"},"modified":"2024-12-26T17:28:15","modified_gmt":"2024-12-26T17:28:15","slug":"geomagnetism-unlocking-the-fundamentals-of-geomagnetisms-astonishing-force","status":"publish","type":"post","link":"https:\/\/edukemy.com\/blog\/geomagnetism-unlocking-the-fundamentals-of-geomagnetisms-astonishing-force\/","title":{"rendered":"Geomagnetism-Unlocking the Fundamentals of Geomagnetism\u2019s Astonishing Force"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p>Explore the Fundamentals of Geomagnetism: Earth&#8217;s magnetic field, its impact on navigation, climate, and tech advancements.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/edukemy.com\/upsc\/upsc-prelims-support-program-with-test-series\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"300\" data-id=\"47045\" src=\"https:\/\/edukemy.com\/blog\/wp-content\/uploads\/2025\/01\/bannner-1600-x-1600-2400-x-1392-px-1280-x-300-px-1024x300.png\" alt=\"PSP 2025\" class=\"wp-image-47045\"\/><\/a><\/figure>\n<\/figure>\n\n\n\n<p><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-69f3f5582aa2a\" class=\"ez-toc-cssicon-toggle-label\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69f3f5582aa2a\"  \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/edukemy.com\/blog\/geomagnetism-unlocking-the-fundamentals-of-geomagnetisms-astonishing-force\/#Fundamentals_of_Geomagnetism_An_In-Depth_Exploration_of_Earths_Magnetic_Field\" title=\"Fundamentals of Geomagnetism: An In-Depth Exploration of Earth\u2019s Magnetic Field\">Fundamentals of Geomagnetism: An In-Depth Exploration of Earth\u2019s Magnetic Field<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/edukemy.com\/blog\/geomagnetism-unlocking-the-fundamentals-of-geomagnetisms-astonishing-force\/#The_Essence_of_Geomagnetism_and_Earths_Magnetic_Field\" title=\"The Essence of Geomagnetism and Earth\u2019s Magnetic Field\">The Essence of Geomagnetism and Earth\u2019s Magnetic Field<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/edukemy.com\/blog\/geomagnetism-unlocking-the-fundamentals-of-geomagnetisms-astonishing-force\/#Fundamental_Characteristics_of_Geomagnetism_The_Magnetic_Fields_Dynamics\" title=\"Fundamental Characteristics of Geomagnetism: The Magnetic Field\u2019s Dynamics\">Fundamental Characteristics of Geomagnetism: The Magnetic Field\u2019s Dynamics<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/edukemy.com\/blog\/geomagnetism-unlocking-the-fundamentals-of-geomagnetisms-astonishing-force\/#Magnetic_Declination_and_Magnetic_Inclination_Key_Concepts_in_Geomagnetism\" title=\"Magnetic Declination and Magnetic Inclination: Key Concepts in Geomagnetism\">Magnetic Declination and Magnetic Inclination: Key Concepts in Geomagnetism<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/edukemy.com\/blog\/geomagnetism-unlocking-the-fundamentals-of-geomagnetisms-astonishing-force\/#Magnetic_Anomalies_Uncovering_the_Hidden_Fundamentals_of_Geomagnetism\" title=\"Magnetic Anomalies: Uncovering the Hidden Fundamentals of Geomagnetism\">Magnetic Anomalies: Uncovering the Hidden Fundamentals of Geomagnetism<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/edukemy.com\/blog\/geomagnetism-unlocking-the-fundamentals-of-geomagnetisms-astonishing-force\/#Paleomagnetism_Tracing_the_Evolution_of_Earths_Magnetic_Field\" title=\"Paleomagnetism: Tracing the Evolution of Earth\u2019s Magnetic Field\">Paleomagnetism: Tracing the Evolution of Earth\u2019s Magnetic Field<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/edukemy.com\/blog\/geomagnetism-unlocking-the-fundamentals-of-geomagnetisms-astonishing-force\/#Applications_of_Geomagnetism_Across_Various_Fields\" title=\"Applications of Geomagnetism Across Various Fields\">Applications of Geomagnetism Across Various Fields<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/edukemy.com\/blog\/geomagnetism-unlocking-the-fundamentals-of-geomagnetisms-astonishing-force\/#Sources_of_Geomagnetism_Internal_and_External_Contributors\" title=\"Sources of Geomagnetism: Internal and External Contributors\">Sources of Geomagnetism: Internal and External Contributors<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/edukemy.com\/blog\/geomagnetism-unlocking-the-fundamentals-of-geomagnetisms-astonishing-force\/#Conclusion_The_Importance_of_Understanding_the_Fundamentals_of_Geomagnetism\" title=\"Conclusion: The Importance of Understanding the Fundamentals of Geomagnetism\">Conclusion: The Importance of Understanding the Fundamentals of Geomagnetism<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/edukemy.com\/blog\/geomagnetism-unlocking-the-fundamentals-of-geomagnetisms-astonishing-force\/#To_get_free_counselingsupport_on_UPSC_preparation_from_expert_mentors_please_call_9773890604\" title=\"To get free counseling\/support on UPSC preparation from expert mentors please call 9773890604\">To get free counseling\/support on UPSC preparation from expert mentors please call 9773890604<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/edukemy.com\/blog\/geomagnetism-unlocking-the-fundamentals-of-geomagnetisms-astonishing-force\/#Visit_our_YouTube_Channel_%E2%80%93_Here\" title=\"Visit our YouTube Channel \u2013&nbsp;Here\">Visit our YouTube Channel \u2013&nbsp;Here<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Fundamentals_of_Geomagnetism_An_In-Depth_Exploration_of_Earths_Magnetic_Field\"><\/span><strong>Fundamentals of Geomagnetism: An In-Depth Exploration of Earth\u2019s Magnetic Field<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-normal-font-size\">The field of geomagnetism primarily involves the comprehensive study of Earth\u2019s magnetic field and its variations over time. This magnetic field is a complex yet powerful phenomenon generated by the motion of molten iron in Earth\u2019s outer core. Essentially, Earth acts as a massive magnet, complete with a north and south magnetic pole, although these magnetic poles do not align perfectly with the geographic poles. This magnetic field, however, is not a static feature; it fluctuates and evolves, which is one reason geomagnetism plays an integral role in numerous aspects of life, from navigation to shielding Earth from harmful solar radiation. Indeed, understanding the fundamentals of geomagnetism enables scientists to probe deeply into Earth\u2019s internal dynamics and interactions with solar forces.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Essence_of_Geomagnetism_and_Earths_Magnetic_Field\"><\/span><strong>The Essence of Geomagnetism and Earth\u2019s Magnetic Field<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Geomagnetism is a multidisciplinary field that integrates knowledge about Earth\u2019s interior, atmosphere, and oceans. Researchers leverage advanced techniques such as satellite measurements, ground-based instruments, and geological studies of rocks and sediments to analyze geomagnetic properties. Through these studies, scientists uncover insights about Earth\u2019s internal mechanisms and its relationship with external solar phenomena. Geomagnetism also has applications across various fields, including mineral exploration, navigation, and space weather forecasting. Consequently, a deeper grasp of Earth\u2019s magnetic field can reveal invaluable information about Earth\u2019s past and the evolution of its natural systems.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Fundamental_Characteristics_of_Geomagnetism_The_Magnetic_Fields_Dynamics\"><\/span><strong>Fundamental Characteristics of Geomagnetism: The Magnetic Field\u2019s Dynamics<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>One of the core principles of geomagnetism is understanding Earth\u2019s magnetic field\u2014an invisible force surrounding the planet and extending into space. This field is generated by the convective motion of molten iron in the outer core, which creates an electric current and thus a magnetic field. Although it resembles a bar magnet with north and south poles, these magnetic poles don\u2019t align perfectly with Earth\u2019s geographical poles, resulting in a complex, shifting field. Earth\u2019s magnetic field also serves as a shield, deflecting harmful solar radiation and cosmic rays, helping maintain our atmosphere&#8217;s thickness, which supports life. Additionally, this magnetic field is vital for navigation, as compasses rely on it to point to magnetic north. However, magnetic declination\u2014deviation from true north\u2014varies by location, affecting compass accuracy.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Magnetic_Declination_and_Magnetic_Inclination_Key_Concepts_in_Geomagnetism\"><\/span><strong>Magnetic Declination and Magnetic Inclination: Key Concepts in Geomagnetism<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>In geomagnetic studies, magnetic declination refers to the angle between magnetic north and true north at a specific location on Earth\u2019s surface. Since Earth\u2019s magnetic poles are not aligned with the geographic poles, the magnetic declination varies across different regions. For instance, in some areas, magnetic north and true north are closely aligned, leading to minimal declination. However, in other regions, the declination may be significant, even reaching up to 180 degrees in extreme cases, causing a compass to point southward instead of northward.<\/p>\n\n\n\n<p>Similarly, magnetic inclination, or magnetic dip, describes the angle formed between Earth\u2019s surface and the direction of the magnetic field at a specific location. This inclination varies depending on latitude, with the inclination reaching 90 degrees at the magnetic poles and close to zero degrees at the equator. By studying magnetic inclination, scientists can pinpoint the locations of the magnetic poles and examine how the magnetic field behaves during polarity reversals, which occur periodically over geological timescales.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Magnetic_Anomalies_Uncovering_the_Hidden_Fundamentals_of_Geomagnetism\"><\/span><strong>Magnetic Anomalies: Uncovering the Hidden Fundamentals of Geomagnetism<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Magnetic anomalies are deviations in Earth\u2019s magnetic field from the expected values for a location, indicating a stronger or weaker field. These anomalies arise from variations in the magnetic properties of crustal rocks, offering insights into Earth\u2019s geological structure. A well-known example occurs along the Mid-Atlantic Ridge, where symmetrical magnetic anomalies on either side of the ridge support the theory of seafloor spreading. Beyond geological insights, magnetic anomalies have practical uses, such as in mineral exploration, where distinct magnetic signatures help geologists locate potential mineral deposits.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Paleomagnetism_Tracing_the_Evolution_of_Earths_Magnetic_Field\"><\/span><strong>Paleomagnetism: Tracing the Evolution of Earth\u2019s Magnetic Field<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Paleomagnetism examines Earth\u2019s historical magnetic field recorded in magnetic minerals within rocks. As rocks form, minerals like magnetite align with Earth\u2019s magnetic field, and this alignment is locked in as the rocks solidify, preserving a snapshot of the magnetic field\u2019s direction and strength. By studying these magnetic signatures in rocks of known age, scientists can reconstruct Earth\u2019s magnetic history. Paleomagnetism plays a key role in plate tectonics research, as analyzing these signatures helps track tectonic plate movements and understand continental drift. Additionally, paleomagnetic studies aid in dating rocks by comparing unknown samples to those with established magnetic records.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Applications_of_Geomagnetism_Across_Various_Fields\"><\/span><strong>Applications of Geomagnetism Across Various Fields<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The practical applications of geomagnetism extend across several scientific and technological fields. Key areas include:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Navigation<\/strong>: Since Earth\u2019s magnetic field provides a reliable reference point, it has been used for navigation for centuries. Traditional compasses, along with advanced navigation systems in ships and airplanes, utilize magnetic fields to find direction.<\/li><li><strong>Geological Exploration<\/strong>: By identifying magnetic anomalies, geomagnetism aids in locating and mapping mineral deposits. Magnetometers detect these anomalies, guiding geologists toward potential mineral-rich areas.<\/li><li><strong>Plate Tectonics<\/strong>: Geomagnetic data has been instrumental in advancing the understanding of plate tectonics and seafloor spreading. Patterns of magnetic orientation in rocks along mid-ocean ridges reveal the history of tectonic plate movements.<\/li><li><strong>Climate and Environmental Studies<\/strong>: Variations in Earth\u2019s magnetic field are useful in reconstructing past climate conditions. By analyzing sediment layers, scientists can correlate changes in Earth\u2019s magnetic field with environmental shifts.<\/li><li><strong>Space Weather<\/strong>: Earth\u2019s magnetic field shields the planet from solar particles. Monitoring geomagnetic data is essential for forecasting space weather events, which can disrupt satellite operations and power grids.<\/li><li><strong>Archaeology<\/strong>: Paleomagnetic methods help archaeologists date ancient structures by examining the orientation of magnetic minerals within the stones. This orientation provides clues about Earth\u2019s magnetic field direction when the structure was built.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-table\"><div class=\"pcrstb-wrap\"><table><tbody><tr><td><strong>Topic<\/strong><\/td><td><strong>Description<\/strong><\/td><\/tr><tr><td>Geomagnetism<\/td><td>The study of the Earth\u2019s magnetic field and its interactions with other phenomena.<\/td><\/tr><tr><td>Earth\u2019s magnetic field<\/td><td>A complex magnetic field that surrounds the Earth, with two magnetic poles and variations in strength and direction across the surface.<\/td><\/tr><tr><td>Magnetic declination<\/td><td>The angle between magnetic north and true north at a particular location, which varies across the Earth\u2019s surface.<\/td><\/tr><tr><td>Magnetic inclination<\/td><td>The angle between the Earth\u2019s magnetic field lines and the horizontal plane at a particular location, which also varies across the Earth\u2019s surface.<\/td><\/tr><tr><td>Magnetic anomalies<\/td><td>Variations in the Earth\u2019s magnetic field that are different from the average magnetic field for a particular location, which can be caused by variations in the Earth\u2019s crust or in the magnetic properties of rocks in the Earth\u2019s crust.<\/td><\/tr><tr><td>Paleomagnetism<\/td><td>The study of the history of the Earth\u2019s magnetic field, using magnetic properties of rocks to determine the orientation of the Earth\u2019s magnetic field at the time the rocks were formed.<\/td><\/tr><tr><td>Applications<\/td><td>Navigation, geological exploration, plate tectonics, climate and environmental studies, space weather, and archaeology.<\/td><\/tr><tr><td>Sources<\/td><td>Earth\u2019s core, magnetized rocks, ionosphere, sun, and external sources such as human-made and natural magnetic fields.<\/td><\/tr><\/tbody><\/table><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sources_of_Geomagnetism_Internal_and_External_Contributors\"><\/span><strong>Sources of Geomagnetism: Internal and External Contributors<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Geomagnetism has various sources, primarily originating from Earth\u2019s interior and extending to external influences:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Earth\u2019s Core<\/strong>: The primary source is the movement of molten iron in the outer core, which creates electric currents that generate Earth\u2019s magnetic field.<\/li><li><strong>Magnetized Rocks<\/strong>: Some rocks in Earth\u2019s crust have naturally occurring magnetic properties, contributing to localized magnetic fields. These rocks can be essential in studying Earth\u2019s magnetic history.<\/li><li><strong>Ionosphere<\/strong>: The ionosphere, a layer of Earth\u2019s atmosphere containing ionized particles, interacts with the magnetic field, influencing it through electric currents.<\/li><li><strong>Sun<\/strong>: Solar activity also impacts Earth\u2019s magnetic field. The solar wind, a flow of charged particles from the Sun, interacts with Earth\u2019s magnetosphere, creating disturbances known as geomagnetic storms.<\/li><li><strong>Human Activity and Natural Sources<\/strong>: Human-made magnetic fields from power lines and electronic devices, as well as natural events like lightning, can generate magnetic fields that influence local geomagnetic readings.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion_The_Importance_of_Understanding_the_Fundamentals_of_Geomagnetism\"><\/span><strong>Conclusion: The Importance of Understanding the Fundamentals of Geomagnetism<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>In essence, the field of geomagnetism provides a window into the forces shaping our planet and its environment. By studying Earth\u2019s magnetic field and its variations, scientists gain insights into Earth\u2019s history, internal dynamics, and interactions with solar forces. The applications of geomagnetism are far-reaching, spanning navigation, geology, environmental science, space weather forecasting, and archaeology. Understanding these fundamentals of geomagnetism is essential not only for scientific discovery but also for practical advancements that enhance life on Earth.<br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"block-e6963b04-cab6-4c30-87bb-2fbbac2c189a\"><span class=\"ez-toc-section\" id=\"To_get_free_counselingsupport_on_UPSC_preparation_from_expert_mentors_please_call_9773890604\"><\/span><strong>To get free counseling\/support on UPSC preparation from expert mentors please call 9773890604<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ol class=\"wp-block-list\" id=\"block-0d0ed6e9-ce2e-4b93-8d2b-f04518480f92\"><li>Join Geography Optional Course \u2013&nbsp;<a href=\"https:\/\/edukemy.com\/upsc\/geography-optional-by-shabbir-sir-integrated-course\" target=\"_blank\" rel=\"noreferrer noopener\">Click Here<\/a><\/li><li>Get Geography Hard Copy notes \u2013<a href=\"https:\/\/t.me\/+uq2Jq2ezMHE3ZjA1\" target=\"_blank\" rel=\"noreferrer noopener\">&nbsp;Click Here<\/a><\/li><\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"block-d43aa89b-d314-4863-a7c4-071ab0c592d5\"><span class=\"ez-toc-section\" id=\"Visit_our_YouTube_Channel_%E2%80%93_Here\"><\/span>Visit our YouTube Channel \u2013&nbsp;<a href=\"https:\/\/www.youtube.com\/@EduKemyforIAS\" target=\"_blank\" rel=\"noreferrer noopener\">Here<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n","protected":false},"excerpt":{"rendered":"<p>Fundamental of Geomagnetism covers Earth&#8217;s magnetic field, core origins, and role in navigation, communication, and climate, essential for understanding Earth\u2019s dynamics.<\/p>\n","protected":false},"author":25,"featured_media":46653,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[3734],"tags":[3703,143,411,3702],"class_list":["post-46637","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-geography-optional-notes-2","tag-fundamental-of-geomagnetism","tag-geography_optional","tag-geomorphology","tag-shabir-sir"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/posts\/46637","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/users\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/comments?post=46637"}],"version-history":[{"count":8,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/posts\/46637\/revisions"}],"predecessor-version":[{"id":46739,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/posts\/46637\/revisions\/46739"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/media\/46653"}],"wp:attachment":[{"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/media?parent=46637"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/categories?post=46637"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/tags?post=46637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}