Feb 23 • 06:43 UTC 🇶🇦 Qatar Al Jazeera

Study: Earthquakes may be caused by solar flares

A new study suggests that solar flares may have a subtle role in triggering certain earthquakes by affecting the Earth's upper atmosphere.

A recent study published in the International Journal of Plasma Science and Technology proposes a novel hypothesis linking solar flares to seismic activity on Earth. Traditionally, solar flares are known for their impact on the upper atmosphere, causing phenomena like the northern lights. However, this research suggests that these solar events could also indirectly stimulate seismic activity by creating an electrical link between the sun and Earth's tectonic faults, potentially contributing to the occurrence of earthquakes.

The study emphasizes the role of solar flares in influencing the ionosphere, an electrically charged layer located approximately 400 kilometers above the Earth's surface. This layer is significantly affected by charged particles from the sun, leading to auroras and changes in electron density. Researchers hypothesize that the Earth can be viewed as a massive electrical system, where deep fractures in the crust could act like "capacitors," storing energy in the form of heated and pressurized supercritical fluids containing charged ions. When solar flares occur, they may alter the electron density within the ionosphere and consequently impact the tectonic stress levels in the Earth's crust.

This intriguing proposition invites further investigation into the interconnectedness of solar activity and seismic events, highlighting the potential for solar flares to have deeper implications beyond their immediate atmospheric effects. If confirmed, this link could transform our understanding of earthquake prediction and the factors influencing tectonic activity, suggesting that solar dynamics play a more significant role in Earth's geological processes than previously thought.

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