It is the theory that Earth’s outer shell is divided into several plates that glide over the mantle, the rocky inner layer above the core.

It is a point directly above the focus.

It is a backpack or duffel bag filled with survival essentials you can grab and take with you when disaster strikes.

In determining the location of an earthquake, you will be needing data from ____ seismic stations.

How will you relate the distribution of mountain ranges with distribution of earthquake epicenters and volcanoes?

These are pieces of the upper few hundred kilometres of earth that move as a single unit as it floats above the mantle.

These are waves of energy that travel through the Earth's layers, and are a result of earthquakes, volcanic eruptions, magma movement, large landslides and large man-made explosions that give out low-frequency acoustic energy.

It is a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.

Which of the following does not play a vital role with regard to Plate tectonics?