Earthquakes and volcanic eruptions affect people all over the world. In Utah, movement along faults is mostly vertical; mountain blocks (for example, the Wasatch Range) move up relative to the downward movement of … The fault surface can be horizontal or vertical or some arbitrary angle in between. Multiple Choice Questions for Earthquakes - Chapter 16 Each chapter will include a few questions designed to test your knowledge of material covered in the chapter and in the Internet-based resources. This occurs at the San Andreas Fault in California. The shockwaves created produce an earthquake . The fault divides into three segments, each with different characteristics and a different degree of earthquake risk. Where the crust is being pulled apart, normal faulting occurs, in which the overlying (hanging-wall) block moves down with respect to the lower (foot wall) block. A step in the fracture plane builds local stress and slows the movement. Slip is the distance rocks move along a fault. Attach the rubber band to the paper clip. The energy released is an earthquake. Put a toy house on the box with the rubber band. These waves travel in two forms- P-type or primary waves and S-type or secondary waves. Active faults are planes of weakness along which movement takes place. When does an ea … rthquake occur? The movement along a fault may be rotational, with the offset blocks rotating relative to one another. Movement of the two surfaces of rock against each other causes friction. Earthquakes that cause maximum damage are not common. Tectonic hazards can destroy buildings, infrastructure and cause deaths. Earthquake Prediction Programs •include laboratory and field studies of rocks before, during, and after earthquakes. Divergent boundaries have some, but not tons of vertical motion. a. when rocks along a fault suddenly when two big vehicles collide move b. when a building collapse near the d. when great flood occur river bank 3. Then paste lightly the two boxes together. Faults allow the blocks to move relative to each other. … This fracture divides the crust into blocks which move relative to one another. Slip can be up or down the fault plane. When an earthquake occurs on one of these faults, the rock on one side of the fault slips with respect to the other. As the plates move past each other, they sometimes get caught and pressure builds up. The last significant earthquake on the Southern California stretch of the San Andreas fault was in 1857, and there has not been a rupture of the fault along its southern end from San Bernardino to the Salton Sea since 1690. Place the boxes side by side. Thus, stronger rock material, or a larger area, or more movement in an earthquake will all contribute to produce a larger magnitude. A fault is a break in the earth's crust along which movement can take place causing an earthquake. Then, Moment Magnitude (M … Faults may range in length from a few millimeters to thousands of kilometers. Sudden motions along faults cause rocks to break and move suddenly. The movement of these blocks of crust is called a 'fault'. Explain why not all movements along faults produce earthquakes. THREE TYPES OF FAULTS 10. Earthquakes generate a series of seismic waves which travel radiate through the Earth. Most, if not all, earthquakes are caused by rapid slip along faults. Tectonic hazards can destroy buildings, infrastructure and cause deaths. When one plate is forced to dive beneath another plate, there is no way to do it except with some component of vertical motion. A.) The high level of earthquake activity and the complexity of the fault systems in the area provides a unique natural laboratory for the study of the physics of earthquakes. B.) They are caused by the movement of tectonic plates. 5. )Which of the following statements best explain on how faults generate Earthquakes? This zone ‘locks’ between earthquakes, such that stress builds up. The fault … Here’s all you need to know about the slip-strike earthquake: Earthquakes cause a fracture in the upper-most layer of the earth called the crust. Earthquakes at transform boundaries, like the San Andreas fault, involve hardly any vertical motion. NORMAL FAULT 11. Most faults produce repeated displacements over geologic FAULTS 7. The amount of damage increases as magnitude decreases. They are caused by the movement of tectonic plates. The stress causes the rocks to bend and change shape. 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