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Chapter 4: Earthquake Predictions, Forecasts, and Mitigation
Terms in this set (10)
A mechanism to isolate a structure from earthquake shaking in the ground; often flexible pads between a building and the ground.
Smaller earthquakes that precede some large earthquakes on or near the same fault. They are inferred to mark the initial relief of stresses before final failure.
Minute underground tremors that may reveal a previously unknown fault system and may someday precede an earthquake.
Earthquakes that occur, over time, in a sequential manner along a fault.
The study of former earthquakes from examination of offset rock layers below the ground surface.
The average number of years between events of a certain size in a location—for example, floods, storm surges, and earthquakes. Also known as a return period.
Modifying existing buildings to minimize the damage during a strong earthquake.
Map showing the probable risk of where and when an earthquake, flood, or other disaster will strike.
A section of an active fault that has not had a recent earthquake. Earthquakes elsewhere on the fault suggest that the gap may have a future earthquake.
Uniform Building Code
A national code for construction standards to provide safety for people in high hazard zones for earthquakes, hurricanes, and other natural hazards.
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