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Earthquakes

Horizontales
The center of an earthquake's activity
Measure the compass direction of a fault
Secondary, smaller earthquakes that result from a major earthquake
The type of seismic wave that causes the most damage
Device that detects seismic movements of the earth
Tool used to help provide earthquake warnings
Measures the fault's tilt
The spot on the earth's surface directly above the focus
Occurs when the sections of rock on opposite sides of the crack move relative to each other
Type of fault that causes the older fossil to be on top of a younger fossil
Boundaries where the plates are moving apart
The stretchiness of a rock
The amount of strain a material can endure without breaking
Plat forcer under another
Crack that goes through the rock
Boundaries that have subduction
Verticales
Crack that does not separate the rock
Boundaries that have plates coming together
Type of stress that caused the most devastating earthquakes
Includes both the seismometer and a device that records or graphs the seismic movements
Measured on the Mercalli scale
A special geologist who studies the earth's movements and the structure of its interior
A stress crack in a rock that show no indications of motion of the rock on either side of the crack
The energy of an earthquake
A series of low-frequency shock waves traveling through the earth
Boundaries that have plates sliding past each other in opposite directions
Factor that determines the destructiveness of an earthquake
Any change in shape of a solid under stress
Strengths of earthquakes are reported using this scale
Ocean wave that is caused by an earthquake