Geomagnetic storms are disturbances of the Earth’s magnetic field, which are produced by the sudden increase in the particles emitted in solar flares that reach the magnetosphere, generating alterations to the Earth’s magnetic field.
In order to identify the magnitude of this type of phenomenon, authorities such as the NOAA agency of the United States have defined a scale to quantify the intensity and effects of geomagnetic storms in five possible values ranging from G1 to G5.
In order to measure these levels, it is important to identify the K indices, which are geomagnetic indices that indicate the disturbance of the geomagnetic field at the local level.
What effects do G2 geomagnetic storms have on GPS and the Internet?
Because there is no clear definition of what effects a G2 type geomagnetic storm can cause, the NOAA agency of the United States has established some of the effects that a phenomenon of this level can cause.
The agency defines G2-type events as Moderate, since K-indices show up at 600 per 360-day cycle.
In this type of phenomena, the electrical transmission systems can be affected, producing voltage alarms in the distribution systems of high latitudes. And if they occur for long periods of time, they can affect the transformers.
G2 geomagnetic storms can also affect space operations systems, generating decay in satellites.
This could also translate into a negative effect on transmission systems that work with electricity, such as the Internet, as well as on geolocation systems that use satellites.
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Likewise, in other systems, the propagation of HF signals that fade at high latitudes can be affected and the northern lights can be seen even in New York.
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