More are expected and an X-class flare is possible.
http://www.spaceweather.com/images2011/ ... lmostx.mov
This could be a trigger for a large quake somewhere.
![Image](http://www.swpc.noaa.gov/rt_plots/Xray.gif)
![Image](http://www.spaceweather.com/images2011/30jul11/finestdisplay_strip2.gif)
Space Weather Message Code: WARK04
Serial Number: 1784
Issue Time: 2011 Jul 30 1657 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2011 Jul 30 1657 UTC
Valid To: 2011 Jul 31 0600 UTC
Warning Condition: Onset