The same reason any earthquake happens, tectonic plates shifted against each other.
The most recent Tsunami to hit Japan was in March of 2011.
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it was 45 (forty five) days
to many to count
yes
13th of march 2011
yes
tsunami
Seismograph
How do you think? the Eartquake shakes the ground and foundations break you noob of common sense How do you think? the Eartquake shakes the ground and foundations break you noob of common sense
The earthquakes are caused by faulting, a sudden lateral or vertical movement of rock along a rupture (break) surface. The quake itself caused the tsunami, displacing a huge volume of water.
They can happen at any time.