Crete and Euboea is the answer.
That would be the focus. The focus is indeed the point inside the earth where an earthquake takes place as well as the point inside the crust where the pressure is released. The area on the Earth's surface directly above the focus is called the epicentre.
C isn't correct just a heads up.
Igneous rocks are formed directly from <span>cooling and solidification of magma or </span><span>lava.
In short, Your Answer would be Option D
Hope this helps!</span>