Special report: Strong Earthquake Jolts SW China

    BEIJING, May 20 (Xinhua) -- An aftershock of 5.0 on the Richter scale jolted southwest China's quake-hit area early Tuesday, according to the China Earthquake Networks Center.

    The tremor hit Pingwu County (32.3 north latitude and 104.9 east longitude) of Sichuan Province at 1:52 a.m., the center said.

    An 8.0-magnitude earthquake struck Wenchuan County of Sichuan on May 12. More than 150 aftershocks measuring 4.0 magnitude or above have happened in the zone after the massive quake.