UPDATE: The explosion also hurled a coronal mass ejection (CME) toward Earth. Coronagraph images from the Solar and Heliospheric Observatory (SOHO) show a halo CME leaving the sun a few hours after the flare:
This is NOT a major space weather event. But after 3 years of uber-quiet Solar Minimum, it is noteworthy. If a strong geomagnetic storm materializes, auroras could be sighted in northern-tier US states from Maine to Montana to Washington. Stay tuned!