Fukishima also shaken (reports). Earthquake reported at a 4 on Japan's 7 point scale

  • Japan's public broadcaster with the news (NHK)
  • Northern Japan quake, felt in Tokyo
  • There has been no tsunami alert issued, said to be no tsunami threat
  • Magnitude 5.6 quake says NHK, Pacific Tsunami Warning Center says magnitude 5.8, hit Honshu (Japan's main island)

More early reports:

  • Depth 52km ... updated; USGS says 36km depth, M5.8
  • 97 km SE of Sendai-shi, Japan

via emsc

USGS map:

more to come