A flood makes people leave a town. An earthquake makes waves in a field. A volcano makes new land with lava. A landslide into a bay makes a tidal wave.
Which change makes a structure on Earth's surface?

Options:
- A flood makes people leave a town.
- An earthquake makes waves in a field.
- A volcano makes new land with lava.
- A landslide into a bay makes a tidal wave.

A volcano makes new land with lava.