Japan struck by single 7.1-magnitude earthquake

By Wallace Witkowski
A 7.1-magnitude quake struck off Japan's ravaged northeast coast at 7:32 Pacific time, or 11:32 local time, according to the U.S. Geological Survey Thursday. Earlier, the USGS reported that a pair of 7.4 quakes had struck the region. The quake, which occured at a depth of 30 miles, was centered 41 miles east of Sendai and 205 miles north-northeast of Tokyo. A local tsunami warning was reportedly issued, but the U.S. National Weather Sevice did not issue a tsunami warning for Hawaii or the U.S. mainland.