Question

question
which one of the following statements concerning foci and epicenters is correct?
answer
the focus is the faulted point on the surface directly above the epicenter.
the epicenter is at the surface directly above the focus, which is where the earthquake occurs.
the fault first cracks at the epicenter and breaks through to the surface at the focus.
the earthquake starts at the focus and the rupture extends down to the epicenter.
i dont know yet

Explanation:

The focus is the point within the Earth where the earthquake originates. The epicenter is the point on the Earth's surface directly above the focus.

Answer:

The epicenter is at the surface directly above the focus, which is where the earthquake occurs.