5.5-Magnitude Quake Jolts Northern Japan

An earthquake with a preliminary magnitude of 5.5 on the Richter scale jolted northern Japan on Friday.

According to reports of the Japan Meteorological Agency, the jolt struck parts of Ibaraki Prefecture, where it measured 4, as well as Fukushima, Saitama and Tochigi where it measured 3.

In Tokyo, Chiba, Gunma and Miyagi, the quake measured 2.

No tsunami warning was issued and there were no immediate reports about injured people or damages to the Fukushima I Nuclear Power Plant.

The epicenter of the quake was at a depth of 20 kilometers off the Fukushima coast.

In March 2011, a massive 9.0-plus magnitude earthquake and an ensuing tsunami devastated the Fukushima Daiichi nuclear power plant on the eastern coast of Japan.