Earthquakes: At or near Earth Impact
- 6.1 138km NNW of Amukta Island, Alaska 2014-02-26 16:13:40 UTC-05:00 264.7 km
Solar Wind Prediction Spiral Tool.
X-FLARE! Returning sunspot AR1967 unleashed a powerful X5-class solar flare on Feb. 25th at 00:57 UTC. A flare of this magnitude can cause radio blackouts on the dayside of Earth and radiation storms in the hours ahead as particles accelerated by the blast reach our planet. Stay tuned for updates abouut this possibility.
NASA's Solar Dynamics Observatory recorded the flare's extreme ultraviolet flash:
This is the most intense
flare of 2014 so far, and one of the most intense of the current solar
cycle. The flare's effects will be mitigated, however, by the location
of the blast site, which is near the sun's southeastern limb, not facing
Earth.
The source of the flare is
long-lived sunspot AR1967, now beginning its third trip across the
Earthside of the sun. This region was an active producer of flares
during its previous transits, and it looks like the third time will be
little different. By tradition, sunspots are renumbered each time they
return, so AR1967 will soon have a new designation. (Update: The new name of this sunspot is AR1990.)
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