Cape Town usually experiences high pressure weather conditions because its average elevation is just 22 feet above sea level, but this is what Cape town is famous for! Its high pressure weather conditions.
~Hope this helps!
Similarities :Both alluvial fans and deltas deposit sediment.
Difference:
A delta forms when a river empties into a larger body of water. An alluvial fan forms on land where a river emerges from a mountainous area and flows out onto a more gently sloping plain. The decrease in slope causes the river to decelerate and deposit sediment, forming an alluvial fan.
It's plate tectonics, Earthquakes can be cause by ...
Destructive boundaries (where an oceanic plate goes under a continental plate which causes pressure to build up by friction, and when is released, causes an earthquake)
Or Conservative boundaries where 2 plates rub against each other causing pressure to build up and be released as an earthquake.
Volcanos can be made by...
constructive plate boundaries where 2 plates pull away from each other, leaving large cracks in the earth for magma to erupt.
As well as...
Hotspots which are on the plate itself not a boundary.