Earthquakes Flashcards
1
Q
Focus
A
The point of origin of an earthquake
2
Q
Epicenter
A
A point above the true center of disturbance
3
Q
Surface wave
A
A wave that travels along or parallel
4
Q
Primary waves
A
An alternatingly compressional and extensional, and cause the rocks they pass through change in volume
5
Q
Secondary waves
A
A wave motion in a solid medium where the medium moves perpendicular to the direction of the travel of the wave
6
Q
Seismograph
A
An instrument that measures and records details of earthquakes, such as force and duration
7
Q
Seismic wave
A
A wave of energy that is generated by a earthquake
