geomagnetic

These increases in activity are known as geomagnetic storms.

Aurora Borealis 2007

In 1989, thousands of Canadians lost power in what's described as a geomagnetic super storm.

CNN Transcript May 16, 2005 2005

A series of powerful solar flares - sometimes known as geomagnetic storms - hit the earth last week, and there's some evidence that the solar storms can have a profound effect on human health and behavior.

Yahoo! News: Business - Opinion 2011

The coronal mass ejection it set off created a strong so-called geomagnetic storm that lasted nearly 12 hours - enough time for auroras to spread from Europe to North America, NASA officials said in a statement.

Livescience.com 2010

What may be driving the temperature changes we are in fact seeing may be something totally overloojed, namely geomagnetic flux shifts at the core-mantle boundary.

newmatilda.com - Comments 2009

These are so-called geomagnetic variations or pulsations.

AvaxHome RSS: 2008

These are so-called geomagnetic variations or pulsations.

AvaxHome RSS: 2008

Those who perish in the upcoming swine flu pandemic will, at least, be spared the horrors of the geomagnetic apocalypse.

Apocalypse 2012 « Gerry Canavan 2009

The resulting torrent of charged particles emanating from the sun arrived days later at the outer limits of Earth's atmosphere where it interacted with Earth's magnetic field, causing a geomagnetic storm and creating spectacular auroras.

Space weather: Are we ready for a solar strike? 2011

While the appearance of auroras is a plus for night sky watchers as solar activity increases to the expected solar max increasing sunspots, solar flares, etc, much more consequential is the possibility of solar storm induced geomagnetic disturbances causing radio blackouts, damage to satellites, and, especially, possibly disastrous damage to electrical grids.

Solar Flare 2011: Aurora alert Steve Tracton 2011