Quote:
Originally Posted by Oberon
There was a chap in Japan not so long ago (And I think it might have been mentioned on here) who said that it was only a matter of time before Tokyo got hit by a big one.
Japan is probably the best country in the world for dealing with earthquakes though, if the March earthquake had not triggered a tsunami there probably would not have been too much of a problem. The combination of the two however just overwhelmed them, and that Tsunami was just obscene. Over forty meters high in some places (133 feet) and stretching up to six miles in land.
What's interesting about that video is that you can see a brief build-up of earthquakes before the big one, the Japanese would have known something was coming in that area but would have had no idea just how big it would be until it happened.
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Tokyo is very much overdue for a mag. 8.0+ quake, as it sits at the joint between 3 plates. Mag 8+ quakes happen roughly every 120 years or so there, and it's been around 150 years since the last one. The Tohoku quake was somewhat unexpected compared to the coming Tokyo quake, which has already been given a name; that's how sure they are of it! The consensus now is that the Tohoku quake has put more strain on the Tokyo faults, and that the chances are 90% they'll see the quake in the next 5 years or so, with near 100% chance in the next 20 years.