In the 24 hours ending Sunday noon, 177 aftershocks were monitored in southwest China's quake zone, according to the China Earthquake Administration.

Four of the tremors measured between 4.0-4.9 and all the others measured at or below 3.9 magnitude, the administration said.

A total of 11,005 aftershocks have been detected in the quake areas since May 12 when the 8.0-magnitude quake struck.

(Xinhua News Agency June 8, 2008)