The spot on the Earth's surface directly above where an earthquake occurs is called the epicenter.

Here's a breakdown:

* Focus: The actual point underground where the earthquake originates.

* Epicenter: The point on the Earth's surface directly above the focus.

Think of it like this: Imagine a light bulb (the focus) underground. The light it emits shines upwards (the seismic waves) and the point on the ground directly above the light bulb (the epicenter) is where the light is most intense.