Before the Fall, creation was 'very good'. After the Fall, we know there were changes and even more after the global Flood. The details are not fully revealed, but this aint paradise anymore. Some suggest there was a protective water canopy above the earth. Now we have harmful rays from the sun, etc. Genetic changes, etc. were also introduced over time.
Why don't you have a go at answering the actual question rahter than the one you wish I had asked?
Earthquakes are tsunamis are caused by the constant growth of tectonic plates. As they move away from the boundary they push the distant edges of the plates against one another. Sometimes one plate will push underneath another forcing it up - see mount Everest for the results of this. Other plates slide against each other. The magma that spews out at the plate boundary leaves a constant pattern from which we can read off millenniums of time.
When plates move against one another massive pressures build up. Eventually the plates will shift suddenly causing an earthquake. If this happens under the ocean it may cause a tsunami.
This is how the earth is and has always been. It has nothing to do with weather or climate or pollution or solar winds or cosmic rays or water canopies or global floods or genetics anything else, its how - according to you - the earth was made. God made a dangerous earth for humans - why?
Stop evading the question its getting embarassing.