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earthquake/volcano
vocab
| Term | Definition |
|---|---|
| earthquake | are the vibrations in the ground that result from the movement a long breaks in earth's lithosphere. |
| fault | a break in the earth's lithosphere where one block of rocks move towards away from or past another. |
| seismic wave | when rocks move along a fault they release energy that travels as vibrations on and in earth. |
| focus | these waves originate where rocks first move along the fault at a location inside the earth called focus. |
| epicenterv | the location on earth's surface directly above the earthquakes focus. |
| volcano | a vent in earth's crust through which melted or molten rock flows. |
| hot spot | volcanoes that are not associated with plate boundaries are called hot spots. |