Earthquake intensity image courtesy JMA Japan

M 5.8      2012/02/29 14:32    Depth 20.0 km     JAPAN
local time 23:32 – Epicenter location see below in list
70 km SE Choshi (pop 75,650) and 108 km SE Narita (pop 100,641) (Narita is one of the Tokyo airports)
Earlier report we wrote when we found out the earthquake occurred
Preliminary data are talking about a strong earthquake 20 km out in the sea near Tokyo
We are estimating that the epicenter is about 50 km out in the sea. Certainly NOT strong enough to generate a tsunami.
JMA Japan reports a magnitude of 5.8 at a depth of 20 km. Max. registered intensity by JMA : 4 at Isumi-shi Misakicho-choja* – Earthquake-Report.com considers 5+ as dangerous for eventual damage
Conclusion Earthquake-Report.com : NOT dangerous for damage or injuries

from:    http://earthquake-report.com/2012/02/28/earthquakes-list-february-29-2012/