Other stretches of the fault, however, apparently accommodate movement more by constant creep than by sudden offsets that generate great earthquakes. Which of the following is NOT true about faults? That line in fact marks the location of just one of numerous very major faults through the region. In this way, the stress is progressively released across Jamaica. Check all that apply. Explain why not all movements along faults produce earthquakes. A rapid movement of a fault line may produce a powerful energy that can trigger a strong earthquake. All faults are related to the movement of Earth's tectonic plates. Where are most faults located? By their very definition earthquakes occur on fault lines, because a fault is the feature which forms when a rock breaks, and that is what happens to trigger an earthquake.. Some faults have not shown these signs and we will not know they are there until they produce a large earthquake. The fault that caused the Sumatra earthquake and tsunami in December 2004 was this sort of fault. Earthquakes Occur Along Fault Lines Aerial view of a section of the San Andreas fault line taken at sunset. The answer is "probably not," and this article explains why. Faults may range in length from a few millimeters to thousands of kilometers. An oblique slip involves various combinations of these basic movements, as in the 1855 Wairarapa Fault rupture, which included both reverse and dextral movement. The amount of damage increases as magnitude decreases. Therefore China, Iran, Pakistan and India all share Nepal’s susceptibility to large earthquakes. The movement of the plates relative to each other distorts the crust in the region of the boundaries creating systems of earthquake faults. A left-lateral strike-slip fault. Along these boundaries, earthquakes are common and magma (molten rock) rises from the Earth’s mantle to the surface, solidifying to create … Amount of damage can be used to determine intensity. As energy builds up, the rock on either side of the fault will store the energy until its force exceeds the strength of the fault. The shaking of the ground caused by the sudden movement of large blocks of rocks along the fault. The value of using GPS in active fault zones may already be evident, but it is also increasingly being put to use in regions where earthquakes aren’t as frequent. The earthquakes that occur along these zones, called spreading centers, are … ... Earthquakes produce 3 types of seismic waves. Rupture along a fault typically occurs by fits and starts, in a type of sporadic motion that geologists call stick-slip. Thrust faults can produce larger earthquakes than strike-slip faults. When an earthquake happens, the stress is released on that fault and transferred to other faults, which, in turn, will produce further earthquakes. d. Tectonic plates collide forming volcanoes and causing earthquakes. When the residual strength of the fault is exceeded, an earthquake will occur. Why … Contrast the movements that occur along normal and reverse faults. The three main types of plate movements include: Divergent (Spreading):This is where two plates move away from each other. It is then released catastrophically in one or more earthquakes. b. Magma and lava causes the ground to spread producing faults. 2. The sections that produce great earthquakes remain "locked" and quiet over a hundred or more years while strain builds up; then, in great lurches, the strain is released, producing great earthquakes. Earthquakes occur all along the subducting plate as it plunges into the mantle. 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