USGS now says 7.3
http://earthquake.usgs.gov/earthquakes/map/
actually watched in on the ABC7 earthquake cam here in Los Angeles. They show up as “ etch-a-sketch” style marks on the graph. I went to the USGS site and sure nuf... a large quake in Japan.
http://abclocal.go.com/kabc/livenow?id=7367462