The largest wave recorded was 50 cm at Chichi-jima - a small island a 24 hour boat ride away from Tokyo - there is a chance that it can pick up steam as it makes it's way across the ocean but it's remote. Most of the northern parts of Japan close to the quake only had levels about 20-30cm after all.
The warning system in the country is pretty good - the national network switched over to an emergency alert system, and all TV stations had the warning plastered across the screen. And populated coastal areas also have gates and a system to redivert huge masses of water. (In fact, one of these "water collection zones" in Tokyo also doubles as an underground concert hall, if you can believe it).
Being in Tokyo, I didn't feel a thing, but I'm sure glad the magnitude 8.3 quake didn't hit close to here. That type of quake would pretty much level a good chunk of the city....
Last edited by TheCommodoreAfro; 01-13-2007 at 07:10 AM.
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