In the 24 hours ending Tuesday noon, 186 aftershocks were monitored in southwest China's quake zone, according to the China Earthquake Administration.

One of the tremors measured between 5.0-5.9 and all the others measured at or below 3.9 magnitude, the administration said.

A total of 11,380 aftershocks have been detected in the quake areas since May 12 when the 8.0-magnitude quake struck.

(Xinhua News Agency June 11, 2008)