The noramal main cause of a tsunnami is earhtqukes yet however one can ocurr when any amount of force is aplyed on to the sea e.g a iland falling into the sea. The force of the object has to be tranfered thought the water thus providing a massive wave or tsunnami.
One of the worst tsunnami recorued was the 2004 Boxing Day Tsuunami which devistated insdoisuier.
A tsunami is actually a series of waves caused by either an earthquake, landslide, volcanic eruption, or meteorite impact.
The main cause to the start of the great depression was the Wall Street Crash in 1929.
Tourism is the 'main cause' of visits to Antarctica.
the main cause is that they run out of resources.
the main cause that die people in Africa is the hunger.
the main cause of bawku conflict is about land and a chieftance.
While enlightenment was a cause and the beheading.The MAIN reason was the taxes.
North moon is the main cause because
Global warming is a cause of the ozone depletion. However it is not the main cause of it.
Radiation is an main cause
The main cause of WW1 was the assassination of Archduke Franz Ferdinand.
It was the main cause