Chapter 19 Earthquakes Assessment Answers
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Chapter xix Vocab Kat
Chapter nineteen Vocab for Earth Science
| Question | Reply |
|---|---|
| The total forcefulness acting on crustal rocks per unit of measurement of expanse. | Stress |
| The deformation of materials in response to stress. | Strain |
| When a material is compressed, aptitude, or stretched. | Elastic deformation |
| Produces permanent deformation that builds up past a certain point and material stays deformed. | Plastic deformation |
| Whatsoever fracture or system of fractures along which Earth moves. | Mistake |
| The vibrations of the basis produced during an earthquake. | Seismic waves |
| Waves that squeeze and push rocks in the management along which the waves are traveling. | Principal waves |
| Waves that crusade rocks to move at right angles in relation to the direction of the waves. | Secondary waves |
| The point where the waves originate. | Focus |
| The signal on Earth's surface directly to a higher place the focus. | Epicenter |
| Instrument used to mensurate horizontal or vertical motility during an earthquake. | Seismometer |
| Record produced my a seismometer that can provide individual tracking of each blazon of seismic wave. | Seismogram |
| A numerical rating system that measures the energy of the largest seismic waves. | Richter scale |
| The energy of the seismic waves. | Magnitude |
| The peak of seismic waves. | Amplitude |
| A rating calibration that measures the energy released past an earthquake, taking into account the size of the mistake rupture, the amount of move forth the fault, and the rocks' stiffness. | Moment magnitude calibration |
| Rates the types of impairment and other furnishings of an convulsion every bit noted past observers during and after its occurrence. | Modified Mercalli scale |
| Process associated with seismic vibrations that occur in areas of sand that is near saturated; resulting in the footing behaving similar a liquid. | Soil liquefaction |
| A large body of water wave generated by vertical motions on the seafloor during an earthquake. | Tsunami |
| Sections located along faults that are known to be agile, but which have not experienced significant earthquakes for a long period of time. | Seismic gaps. |
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