They currently have over 250 thousand records. One word of caution however, some cruel people are posting entries stating some people have died and these entries are entirely false so while I don't want to encourage false hope be cautious of such entries.
One family were crushed when a message posted on the Google people finder by Lucas. A said that Brian Hickebottom had died in the disaster. However, it emerged that the information was wrong, and he had found refuge in the school where he and his wife work, much to his relatives' relief . . . Responding to a post about US marine Justan Browning, which said he had died when a building collapsed, someone going by the name Canadian Friend wrote: 'I have seen several false reports that people are deceased. It is disgusting. Do not give up hope. Call your government to verify the above report.'