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earthquake vocb.
definition
| Question | Answer |
|---|---|
| epicenter | point on Earth's surface directly above a earthquake focus |
| fault | fracture that occurs when rocks break and that results in relative movement of opposite sides |
| focus | point deep inside Earth where energy is released causing an earthquake |
| lava | molted rock flowing onto Earth's surface |
| Lithosphere | right layer Earth about iookm thick, made of the crust and part of the mantle |
| magnitude | a measure of the energy released by an earthquake |
| rifts | long crack, fissue, or through that forms between tectionics plates moving apart at plate boundaries |
| seismic safe | described the ability to stud up against the vibrations caused by an earthquake |
| seismic wave | earthquake wave, included primary waves, secondary waves and surface waves |
| surface waves | lowest and largest of the seismic waves |
| seismograph | instrument used to record seismic waves |
| Tusniami | powerful waves sea waves that begin over an occur floor |
| Volcanoes | cone shaped hill or mountain formed when hot magma solides and gases erupt onto Earth surface through a vent |
| pyroclastic flow | flow another hazard for inhabitant of monsterrats |
| Richter scale | is based on measurements of ampltudes, or lights, of seismic waves as recored on seismograph |