Ok, Space Weather and Magnetic Storms Happen All the Time. Here's a fun and fascinating resource called, “ Journey Along a Fieldline,” which introduces the basics of geomagnetism using an incredibly popular medium: the comic book. The mission for USGS scientists is to monitor the Earth's magnetic field using ground-based observatories and instruments, which provide continuous records of magnetic field variations covering long timescales map what are called “geoelectric fields” in the Earth to determine the nature and character of ground-level geomagnetic hazards disseminate magnetic data to various governmental, academic, and private institutions and conduct research into the nature of geomagnetic variations. The extent of the geomagnetic field in space is known as the "magnetosphere." While the magnetosphere offers some protection, if the geomagnetic storm is large enough and forceful enough, the impacts on the ground can have far-ranging consequences. Aurora borealis display evokes the beauty of the Arctic, as well as the geomagnetic field intensity actively monitored by USGS scientists.Įarth is somewhat protected from these raging cosmic blusters by its magnetic field, which is generated deep in the core of our planet, and it extends beyond Earth’s atmosphere by some tens of thousands of miles.
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