An earthquake measuring 7.0 on the Richter scale jolted East China Sea at 10:59 a.m. Beijing Time (GMT 0259) Tuesday, according to the China Earthquake Networks Center. The epicenter, with a depth of 220 km, was initially determined to be at 27.2 degrees north latitude and 125.9 degrees east longitude. The epicenter was 270 km from Diaoyu Island, 480 km from Taipei and 520 km from the city of Wenzhou in eastern Zhejiang Province.