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☆☆☆☆☆The location on the surface directly above the focus.
The energy released by an Earthquake the travels in all directions from the focus.
A small earthquake that follows the main earthquake.
Is a small earthquake that often precedes a major earthquake.
Instruments that record earthquake waves.
Seismic waves that travel along the earth's outer layer.(circular motion).
Seismic waves that push(compress) and pull(expand) in the direction that waves travel.
Seismic waves that shake particles at right angles to the direction that they travel.
A measurement system derived from the amount of displacement (energy) of the earthquake.
When seismic vibrations cause the ground to behave like a liquid.
When an earthquake occurs where a slab of the ocean floor is displaced vertically along a fault.
An area along a fault where there has not been any earthquake activity for a long period of time.
Layer of the earth just below the lithosphere that is softer.(flexible)
Layer of the earth that is more liquid, composed of an iron-nickel alloy.
A boundary separating the crust from the mantle.
