Two USGS reports on aftershocks:
Mag 6.0 at 09:27:56UTC
http://earthquake.usgs.gov/eqcenter/...usc0009096.php
Mag 8.2 at 10:43:09UTC
http://earthquake.usgs.gov/eqcenter/...usc00090da.php
I only get emails for 6.0 and above after 8pm so there might be smaller ones.