Mantle heterogeneity influenced Earth’s ancient magnetic field: https://www.nature.com/articles/s41561-025-01910-1 -> Deep heat has guided Earth’s #MagneticField for hundreds of millions of years: https://www.earth.com/news/deep-heat-has-guided-earths-magnetic-field-for-hundreds-of-millions-of-years/

Discover how hidden deep-Earth rock structures near the mantle-core boundary are reshaping our understanding of the planet’s magnetic field. Learn how these colossal formations stabilize and alter Earth’s protective shield against solar radiation.
#EarthScience #MagneticField #Geophysics #DeepEarth
https://www.scientificworldinfo.com/2026/02/hidden-deep-earth-structures-shaping-the-magnetic-field.html

Earth's Magnetic Shield Protecting The Planet From A Pelting By The Solar Wind
See how the sun's energy drives a remarkable planetary engine, the climate
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https://youtu.be/6hD52H7rQak?si=OBGYbK8Czbi0uwlc <-- shared video
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[‘cannibalising’ (sic) my own post (!) to bring attention to this outstanding video visualisation and overview, science education/explanation at its finest!; narrated so well (of course!) by #liamneeson !!]
#GIS #spatial #mapping #geology #structuralgeology #magneticfield #SouthAtlanticAnomaly #SAA #spaceweather #geomagnetism #risk #hazard #hardening #magneticfieldstrength #protection #CME #coronalmassejection #sun #solar #solarwind #visualisation #visualization #education #scienceeducation #overview #explanation
#NASA

NASA Is Watching a Huge Anomaly Growing in Earth's Magnetic Field [SAA]
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https://www.sciencealert.com/nasa-is-watching-a-huge-anomaly-growing-in-earths-magnetic-field <-- shared technical article
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https://youtu.be/qpdQcw_52iM?si=Hn0EZkOGJOMihC71 <-- shared @nasa video - “NASA Explores Earth's Magnetic 'Dent'”
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https://en.wikipedia.org/wiki/South_Atlantic_Anomaly <-- shared SAA wiki
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https://youtu.be/6hD52H7rQak?si=OBGYbK8Czbi0uwlc <-- shared video – “Watch [a visualisation of how the] Earth's magnetic shield protect[s] the planet from a pelting by the solar wind…” [narrated so well (of course!) by #liamneeson !!!!]
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#GIS #spatial #mapping #remotesensing #earthobservation #geology #structuralgeology #magneticdent #magneticanomaly #magneticfield #SouthAtlanticAnomaly #SAA #spaceweather #geomagnetism #satellite #SWARM #orbitalspacecraft #spacecraft #risk #hazard #hardening #magneticfieldstrength #protection #CME #coronalmassejection #sun #solar #solarwind #NASA #ESA
@nasa @esa

U.S. Geological Survey [#USGS] Geomagnetic Variometer Data - Capitalizing On Seismic Infrastructure
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https://doi.org/10.1785/0220250185 <-- shared paper
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#geomagnetic #geomagnetism #USGS #USA #CONUS #seismology #seismograph #measurement #spatialanalysis #spatial #stations #SeismographicNetwork #magneticfield #readings #spatiotemporal #magnetometer #collabration #spaceweather #risk #hazard #colocation #magneticstorm #earthquake #interdisciplinary #research #sampling #multidisciplinary #fielddata #mapping #GIS #cohosted #corrleation #sampling #fedscience #fedservice #publicgood
#USGS

Mapping a Carrington Storm [in today's setting]
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https://doi.org/10.1029/2025GL116835 <-- shared paper
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#spatial #mapping #spaceweather #Carrington #magneticstorm #historicstorm #model #modeling #spatialanalysis #map #impacts #humaninpacts #geomagnetism #magneticfield #geoelectric #field #magnetotelluric #geophysics #USA #infrastructure #geology #sedimentology #geopotential #communications #utilities #energy #powertransmission #blackouts #rik #hazard #damage #publicsafety #cost #economy #mitigation #benchmark #remotesensing #earthobservation