Alert! Dangerous Geomagnetic storm today; It will impact Earth and humanity this way

A Geomagnetic storm warning has been issued today as a result of extremely high solar activity these past couple of days.

| Updated on: Oct 04 2022, 10:20 IST
NASA: From Solar Winds, Solar Flares to CME, check how solar phenomena impact Earth
Solar storm
1/5 The harrowing thing is that it will not just be China that would be affected by such a devastating solar storm. (NASA)
Solar Flare
2/5 Solar Flares: Solar flares are photon flares emitted from the Sun which travel from the flare site. They are rated on the basis of their intensity with the highest being an X-rated solar flare. It can cause power and radio blackouts and are responsible for the stunning phenomenon known to us as the Northern Lights or Auroras. (NASA/SDO)
3/5 Coronal Mass Ejections (CME): CMEs are massive plasma clouds carrying photons that are ejected from the Sun. CME occurs during the solar cycle and is at peak in the middle of the cycle. (NASA)
Coronal Mass Ejection or CME
4/5 Solar Winds: Solar winds are high speed winds coming from holes in the Sun called Coronal holes. These holes can form anywhere on the surface of the Sun. If these solar winds prevail near the solar equator, they can cause impact on Earth, according to NASA. (Pixabay)
Solar Particles
5/5 Solar Energetic Particles: Solar energetic particles are emitted from the Sun during Coronal Mass Ejections. These are charged particles; hence they follow the magnetic field lines between the Sun and the Earth and if they pass the magnetic fields near Earth, they have an impact. (NASA)
geomagnetic storm
View all Images
Know more about this dangerous geomagnetic storm hitting Earth today. (NASA)

Our Sun is in the middle of its 11-year solar cycle and this was led to an increase in solar activity and solar output. Earth has faced numerous solar flares these past few months and more are expected as the Sun moves ahead in its cycle. Strong Coronal Mass Ejections (CMEs) have been observed being emitted from the Sun in the past couple of days. Now, a geomagnetic storm warning has been issued for today as these frighteningly powerful CMEs will slam against the Earth's magnetosphere today.

According to, “OAA forecasters say there is a chance of G2-class geomagnetic storms on Oct. 4th when multiple CMEs might sideswipe Earth's magnetic field.” These CMEs have erupted from the Sunspot AR3110 which unleashed strong solar flares during the weekend including M5.9, M8.7 and X1 rated flares.

Solar storms occur due to a coronal mass ejection (CME) that is set off on the surface of the Sun. This ejection sends solar flares hurtling towards Earth. As per the K-index, which measures the magnetic field around the Earth, solar storms are divided into 5 classes from G-1 to G-5. The G-1 is the lowest impact solar G5 is given to the most severe solar storms.

As the particles erupted during the solar storm reach Earth, they interact with Earth's magnetic field and spark Geomagnetic storms. Although dangerous, Geomagnetic storms can also bring about shifting curtains of light in greens, blues and pinks which light up the night sky in the Northern and Southern poles. They are called Northern Lights or Aurora Borealis in the North Pole and Southern Lights or Aurora Australis in the South Pole.

How solar flares affect our tech

Fortunately, scientists can predict solar flares before they happen, and if they occur, it still takes time for them to reach our planet. This means we can get enough time to secure our tech before the solar flare can reach us. The part that really affects tech seriously is referred to as an EMP (Electromagnetic Pulse). It contains a bunch of charged particles and when they hit something conductive, they impart that charge on that conductive object, creating current in a part of a circuit that overloads a powered line. This can fry components and even melt wires when they become overloaded.

Follow HT Tech for the latest tech news and reviews , also keep up with us on Twitter, Facebook, Google News, and Instagram. For our latest videos, subscribe to our YouTube channel.

First Published Date: 04 Oct, 10:19 IST
keep up with tech