It depends on what event it is you're talking about! Please only ask serious questions on this website.
canyons and vallys
its called a river delta
It would create outwash plains, eskers, and kames.
The landform was most likely shaped by erosion caused by water flow, such as a river or stream. Over time, the water's movement would have gradually worn away the rock and soil to create the landform's current shape.
landform is a thing.
landform
YES! it is landform
A volcano is a landform, not an event. There have been many volcanic eruptions of several volcanoes in Hawaii in recorded history.
it's land
Yes, If it was a big/ powerful enough event, its possible.
It is a physical landform, yes.
Yes, river IS a landform.