The point on the land surface directly above the focus and is the location normally reported in the news or shows in maps.

a scientist who study earthquakes.

earthquake moves in this kind of wave

an instrument used to identify the strength and point of origin of an earthquake.

This is caused by large earthquakes below or near the ocean floor, but they can also be caused by landslide, volcanic activity or certain types of weather.

This happens when two plates collide, one section slides on top of the other, one beneath is pushed down. Magma is squeezed up between two plates.

The trembling or shaking of the ground caused by the sudden release of energy stored in the rocks beneath the earth's surface.