Looks sustained and intentional to me, who ordered it? I also have to wonder if that "9" quake in Asia was assisted or legit. Can you imagine what a "9" would do on the San Andreas Faultline in Central Cal? Getting late in time.
http://wwwa.accuweather.com/adcbin/public/int_sat_large.asp?sattype=wv&getarea=nepac&type=loop Asia quake death toll tops 23,000
http://www.cnn.com/2004/WORLD/asiapcf/12/27/asia.quake/index.html