On Tuesday, April 13, 2010 at 7:49PM EDT [7:49AM in southern Qinghai, China] a massive 6.9 magnitude earthquake rocked parts of China. The epicenter of this earthquake was located about 1190 miles WSW of Beijing, China in southern Qinghai at a depth of 6.2 miles.
Overall, the population in this region resides in structures that are highly vulnerable to earthquake shaking, though some resistant structures exist.