There are very few details yet.

Both CNBC and Reuters are reporting on a brand new tsunami warning for Japan.

Apparently the locations are: All pacific coasts between Hokkaido and Chiba, Western Kanagasa, Shizuoka, Wakayama, Tokushima, and Kochi are under major tidal wave warning.

Here's a look at seismic activity in the last hour, much of it clustered around Sendai. The red squares indicate earthquakes in the last hour.