I woke up this morning to a lot of referrer traffic for the search terms LiveJournal down. It appears that a power outage took out LiveJournal, Vox and Typepad yesterday afternoon. There's more information on the Six Apart blogs.
http://www.sixapart.com/about/news/2007/07/power_outages_t.html
http://everything.typepad.com/blog/2007/07/typepad-status-.html
http://team.vox.com/library/post/vox-down-time.html
http://news.livejournal.com/101880.html