What do earthquakes and tsunamis have in common?

They originate on Earth’s surface.
They originate on Earth’s surface.

They only occur in the ocean.
They only occur in the ocean.

They only occur on landmasses.
They only occur on landmasses.

They modify Earth’s surface

They both involve the movement and displacement of Earth's tectonic plates.

Pick one of the answers I supplied

They originate on Earth's surface.

They modify Earth's surface