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3 clusters · 10 sources · 4 days · First seen · Last updated

Solar eruptions and geomagnetic storm activity

Overview

Solar activity from regions AR4545 and AR4549 has led to several M-class eruptions. These moderate-intensity explosions have caused radio communication disruptions in sunlit areas of Earth.

Following the observation of two coronal mass ejections (CMEs) on October 7 and 8, the NOAA Space Weather Prediction Center has issued a warning for a G2-class moderate geomagnetic storm expected to impact Earth on Sunday, October 11, 2026. While initial forecasts predicted a weaker G1-class storm, updated data indicates a potential upgrade to G2 intensity. Scientists suggest that faster plasma flow from the October 8 ejection may catch up to and merge with the previous ejection before reaching Earth.

An M6.7 class flare from active region 4549 on October 8 has already contributed to R2-level radio interference on the sunlit side of the planet. The actual impact of the storm will depend on the speed, density, and magnetic orientation of the solar wind as it interacts with Earth's magnetosphere.

Potential technical disruptions include voltage oscillations in power grids, increased atmospheric drag on low-orbit satellites, and interference with GPS accuracy and high-frequency radio communications. The storm is also expected to enhance the visibility of the aurora borealis at high latitudes, including parts of the United States, Scandinavia, and the northern United Kingdom.

Entities

Sun · Earth · NOAA · Solar Influences Data Analysis Center · NASA

Timeline

  1. [TECHNOLOGY] 5 sources
    G2-class geomagnetic storm expected to hit Earth on October 11

    A G2-class moderate geomagnetic storm is forecasted to hit Earth on October 11, 2026, caused by merging coronal mass ejections from the Sun, potentially disrupting radio and satellite systems.

  2. [TECHNOLOGY] 2 sources
    Solar eruptions may trigger geomagnetic storm on Earth this Friday

    Three M-class solar eruptions may trigger a geomagnetic storm on Friday, May 9, potentially impacting GPS, satellite communications, and radio signals on Earth.

  3. [TECHNOLOGY] 3 sources
    Solar flare and plasma cloud expected to reach Earth on October 9

    A strong solar flare and coronal mass ejection are expected to hit Earth on October 9, potentially causing a G2-class geomagnetic storm with impacts on power grids, GPS, and satellite communications.

Sources

actualno.com · bandab.com.br · exame.com · fakti.bg · iskra.bg · ohridsky.com · press24.mk · ruse.news · standartnews.com · tech.wp.pl

This summary has been updated 1 time: see revision history