geoscience australia said the 5 . 3 impact did not involve a tsunami . the 2004 south ocean earthquake , this had a power of 9 . 0 , triggered a chain of lethal floods on october 26 , 2004 that dead over 270 , 000 person , make it the deadliest tsunami in recorded history .
A tsunami is a series of waves created when a body of water rapidly displaced on a massive scale.