Huh?
Tsunami Warning/Advisory
Issued at 23:34 JST 07 Apr 2011
******************Headline******************
Tsunami Warnings (Tsunami) have been issued for the following coastal regions of Japan:
MIYAGI PREF.
Evacuate immediately to safe place away from the shore in the above coastal regions.
Tsunami advisories are currently in effect in other coastal regions of Japan.
http://www.jma.go.jp/en/tsunami/index.html
tsunami arrived in some places... not sure how big
These are ADVISORIES. Look at the size estimated <2 feet (0.5 meters)
They have a WARNING along coast immediately adjacent to the location. Again, more likely auto generated based upon initial size of quake, not factoring in depth.