No Tsunami Warning After Magnitude 6.3 Quake Strikes Off Coast Of Japan

(CBS SF) -- An earthquake registering a preliminary magnitude of 6.3 struck off the coast of Northern Japan, according to the U.S. Geological Survey's automated seismograph alert network.

The earthquake struck around 12:35 p.m. Saturday local time (7:35 p.m. Friday Pacific Time) in the Pacific Ocean, about 96 miles east northeast of Hachinohe, at a depth of 8.4 miles. The epicenter is more than 400 miles north northeast of Tokyo.

According to the Pacific Tsunami Warning Center, there is no threat of a tsunami.

COMPLETE QUAKE COVERAGE: CBS Earthquake Resource Center

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Strong earthquakes with an epicenter off the coast can trigger tsunamis, depending on the size and type of the fault movement. The Pacific Tsunami Warning Center tracks earthquake data for the West Coast.
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