Another Large Quake Rattles Tokyo

Special Report: Fukushima and the Future of Nuclear Power

Editor's Note: This is part of IEEE Spectrum's ongoing coverage of Japan's earthquake and nuclear emergency.

A 6.0-magnitude earthquake struck Shizuoka Prefecture southwest of Tokyo around 10:30 Tuesday night, Japan local time. The quake rocked buildings for about 10 seconds in the Tokyo area. Shinkansen bullet trains in the Shizuoka area have stopped running.

According to NHK, Japan's national broadcaster, Chubu Electric Company is reporting that its Hamaoka Nuclear Power Plant has not been unduly affected and the plant did not go into emergency shutdown. However, the power company is reporting that many of its electric utility poles have been knocked over.

The Japan Meteorological Agency said that while there may be slight increases in sea levels, there is no risk of a tsunami or significant tidal damage.

There have been hundreds of aftershocks following the devastating 9.0-magnitude earthquake last Friday. The Meteorological Agency notes that there have been 45 aftershocks with a magnitude of 6.0 or greater.

Image: Japan Meteorological Agency

John Boyd is an IEEE Spectrum contributor reporting from Kawasaki, Japan. This is part of IEEE Spectrum's ongoing coverage of Japan's earthquake and nuclear emergency.

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