The Earth is prone to more geomagnetic storms during the spring and fall equinoxes than throughout the solstices.
The sunspot AR3835 erupted on Sunday (Sept. 22) during Earth's equinox when a glancing blow can cause a geomagnetic storm.
A Geomagnetic Storm happens when a CME or a high-speed solar wind stream interacts with the Earth's magnetosphere, causing a ...
Conditions sparked by the CMEs became so strong Monday night that the SWPC issued a “severe geomagnetic storm alert” around 11 p.m. ET. According to the SWPC, the “major disturbance in Earth’s ...
A powerful G4 geomagnetic storm sparks widespread auroras, lighting up skies across the U.S. with stunning northern lights displays.
Charged particles crashing into Earth are expected to create strong solar storm conditions early Monday morning, prompting a ...
An intense solar flare and a coronal mass ejection could mean Northern Lights early this week as far south as Pennsylvania.
The U.S. Space Weather Prediction Center (SWPC) issued a strong geomagnetic storm alert on Thursday, September 12, as a ...