Write only the letter on the blank

provided each item.



A. Along high sea wave that can be caused by

earthquakes


B. The zone of activity that surrounds the Pacific Ocean

and the Pacific plate.


C. A sudden, violent shaking of the ground, typically

causing great destruction, as a result of movements in

the earth’s crust


D. The size of an earthquake as measured by the energy

released.


E. An instrument that measures Earthquakes. It

measures their size and their duration. Also known as

a seismometer.


F. Where two tectonic plates met.


G. An earthquake becomes a disaster when there is

significant damage to property and loss of life


H. A collapse of a mass of earth from a mountain or a cliff.


I. A danger or a risk.


J. The outermost, solid layer of the earth


K. Is a phenomenon where the shaking of the earth by an

earthquake reduces the strength of the soil, forcing

the liquid to rise to the top.


L. The place of origin of an earthquake.


M. A smaller earthquake following the main shock of a

larger earthquake.


N. A fracture in a rock formation along which there has

been movement of the rocks on either side of the

fracture


O. A way to measure earthquakes. It is a logarithmic scale

so that a difference of one has a roughly thirty-fold

different in size.


P. The point on the earth’s surface, directly above the

focus of an earthquake.​