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Engineering for Earthquakes

Across
The central portion of the earth, having a radius of about 2100 miles (3379 km) and believed to be composed mainly of iron and nickel in the molten state.
The outer layer of the earth, about 22 miles (35 km) deep under the continents and 6 miles (10 km) deep under the oceans. The crust sits on the uppermost part of the mantle (and together , these solid zones comprise the lithosphere).
The point on the earth's surface directly above the focus of an earthquake.
_____ current : the movement of the mantle. It brings the hot mantle towards surface, where it moves laterally and then falls when cool. Hot mantle replaces it.
A long ocean wave usually caused by movements of of the ocean floor during an earthquake
Slow fault slip, occuring in a fault zone without producing earthquakes.
Down
__________tectonics: A geological model in which the Earth's crust and upper mantle (lithosphere) are divided into a number of segments (plates) which move in response to convection currents from the lower mantle (asthenosphere).
Any influence that tends to accelerate an object; a push or a pull
The fracture or zone of fractures in a rock formation, such as tectonic plates.
A shaking of the ground caused by the sudden movement of the earth's crust or by the volcanic equivalent
The portion of the earth, about 1800 miles 9 2900 km) thick, between the crust and the core.
Where two tectonic plates meet. There are three types: convergent, divergent, and transform.
A rupture in the Earth's crust that allows lava , ash, and gases to escape from the Earth mantle.