Magnitude 6.1 Quake Shakes Tokyo Area; No Tsunami Danger

Magnitude 6.1 Quake Shakes Tokyo Area; No Tsunami Danger
Photo of seismologist pointing at a screen graphic of an earthquake. Dimas Ardian/Getty Images
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TOKYO—A powerful earthquake registering a preliminary magnitude 6.1 shook the Tokyo area on Thursday night, but officials said there was no danger of a tsunami.

The Meteorological Agency said the quake was centered in Chiba prefecture, just east of Tokyo, at a depth of 48 miles.