A quick look at my email shows that the USGS Earthquake has reported 5 sizeable aftershocks around Indonesia, 3 in Simeulue and 2 in Nias (where up to 2,000 are reported to have died).

 N  3 Please_Do_Not_Reply_   “2005/03/28 18:48 M 5.5 SIMEULUE, INDONESIA Z= 30km  2.73N  95.96E”

 N  4 Please_Do_Not_Reply_   “2005/03/28 19:02 M 5.8 NIAS REGION, INDONESIA Z= 30km  1.01N  97.82E”

 N  5 Please_Do_Not_Reply_   “2005/03/28 23:13 M 5.7 NIAS REGION, INDONESIA Z= 30km  0.19N  97.02E”

 N  6 Please_Do_Not_Reply_   “2005/03/28 23:37 M 5.7 SIMEULUE, INDONESIA Z= 30km  2.89N  96.33E”

 N  7 Please_Do_Not_Reply_   “2005/03/28 23:39 M 5.5 SIMEULUE, INDONESIA Z= 30km  2.92N  96.34E”