A tsunami is usually started by an earthquake,
But might be caused by other things by total mistake…
A volcanic eruption, a meteor strike,
A change in air pressure, a major landslide.
A tsunami is made up of what is called ‘a wave train’,
The waves get stronger and hit again and again.
If you live within 160 miles of it’s source, you’re at risk of mortality,
Thirty metres from the coast in an earthquake – move from the locality.
The Indonesian earthquake of 2004,
Released more energy than any for 25 years before.
A Californian-sized piece of the deep sea floor,
Moved upward and seaward for 30 feet or more!