Many major news organizations have set-up webpages on the quake that are updated regularly with multimedia reports:
TIME Magazine has a special page for quake coverage.
The Wall Street Journal has their coverage here.
Disaster In The Pacific comes from ABC News.
Japan Earthquake and Tsunami shows the Guardian’s complete coverage.
Japan coverage from The Telegraph.
I’ve added them to Part Two of my “The Best…” list on the Japan Earthquake and Tsunami (you can see Part One here