Search Engine Baidu.com placed a logo for the victims of the Sichuan earthquake last year. Also Google China placed an reference to the earthquake.

http://www.baidu.com/img/baidu_logo_jr_0905_512.gif
http://www.websonic.nl/googledoodles/images/doodle_aardbeving_china_2009.jpg

http://en.wikipedia.org/wiki/List_of_earthquakes_in_Sichuan