Can solar storms trigger earthquakes? Scientists propose surprising link
Solar storms might not just dazzle the skies—they could help nudge vulnerable faults toward earthquakes.
Date:
February 24, 2026
Summary:
Scientists have proposed a surprising connection between solar flares and earthquakes. When solar activity disturbs the ionosphere, it may generate electric fields that penetrate fragile fracture zones in Earth’s crust. If a fault is already critically stressed, this extra electrostatic pressure could help trigger a quake. The idea doesn’t claim direct causation, but it offers a fresh way to think about how space weather and seismic events might interact.
FULL STORY
Can Solar Storms Trigger Earthquakes?
A bold new model from Kyoto University suggests that the Sun may play a subtle role in triggering earthquakes. Credit: AI/ScienceDaily.com
Scientists at Kyoto University have developed a theoretical model examining whether disturbances in the ionosphere could apply electrostatic forces deep within the Earth's crust. Under certain conditions, these forces might contribute to the start of large earthquakes.
The research is not designed to forecast earthquakes. Instead, it outlines a possible physical mechanism showing how shifts in ionospheric charge levels -- triggered by intense solar activity such as solar flares -- might interact with already weakened areas of the crust and influence how fractures develop.
How the Ionosphere Could Affect Fault Zones
In this model, cracked regions of the crust are thought to contain water at extremely high temperatures and pressures, possibly in a supercritical state. Electrically, these fractured zones may act like capacitors. They are coupled both to the Earth's surface and to the lower ionosphere, creating a vast electrostatic system that links the ground to the upper atmosphere.
https://www.sciencedaily.com/releases/2026/02/260224023209.htm
