National Aeronautics and Space Administration Logo
Follow this link to skip to the main content NASA Banner
Solar System Exploration
News & Events
Powerful Easter Sunday Solar Flare
Powerful Easter Sunday Solar Flare
15 Apr 2001

One of the most powerful solar flares ever recorded (an X14-class explosion) erupted near sunspot group 9415 today, climaxing a two-week spate of X-class flares from that active region. The source of the explosion is near the Sun's western limb, so the blast was directed mostly away from Earth. That's a good thing because today's flare was nearly as powerful as one in 1989 that triggered the collapse of a power grid in Canada -- no such calamities are expected this time. A moderate radiation storm is in progress. For details and updates, please visit

News Archive Search  Go!
Show  results per page
Awards and Recognition   Solar System Exploration Roadmap   Contact Us   Site Map   Print This Page
NASA Official: Kristen Erickson
Advisory: Dr. James Green, Director of Planetary Science
Outreach Manager: Alice Wessen
Curator/Editor: Phil Davis
Science Writers: Courtney O'Connor and Bill Dunford
Producer: Greg Baerg
Webmaster: David Martin
> NASA Science Mission Directorate
> Budgets, Strategic Plans and Accountability Reports
> Equal Employment Opportunity Data
   Posted Pursuant to the No Fear Act
> Information-Dissemination Policies and Inventories
> Freedom of Information Act
> Privacy Policy & Important Notices
> Inspector General Hotline
> Office of the Inspector General
> NASA Communications Policy
> NASA Advisory Council
> Open Government at NASA
Last Updated: 5 Jun 2001