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Earth's First Question: Which statement correctly describes why earthquakes happen? About 50,000 earthquakes large enough to be noticed without the aid of instruments occur annually over the entire Earth. Which statement about earthquakes is accurate? Earthquakes associated with this type of energy release are called tectonic earthquakes. The maximum intensities are based on the Modified Mercalli intensity scale. An earthquake is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves. a Most earthquakes are not strong enough to be felt by humans. (That is, an earthquake measuring 5.0 releases 31 times more energy than an earthquake measuring 4.0.) How are earthquakes recorded? Of all these the release of elastic strain is the most important cause, because this form of energy is the only kind that can be stored in sufficient quantity in the Earth to produce major disturbances. Often, several slightly different magnitudes are reported for an earthquake. Earthquakes are caused by shifts in the outer layers of Eartha region called the lithosphere. On Earth, we know that different materials vibrate in different ways. What is the, recurrence interval of the fault a) 10 years b) 50 years c) 100 years d) 1000 years, The elastic rebound theory describes a) how earthquakes bounce off layers b) the, elasticity of rocks c) the flexibility of a fault d) how earthquakes recur along an active. - It determines the amount of damage caused by an earthquake. Claim 2: A change to the sea turtle population caused deaths to decrease in the moon jelly population. Pellentes, iscing elit. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. - It collects data using a seismograph. The idea of a logarithmic earthquake magnitude scale was first developed by Charles Richter in the 1930's for measuring the size of earthquakes occurring in southern California using relatively high-frequency data from nearby seismograph stations. Pellentesque dapibus efficitur laoreet. Anderson-Wood torsion pendulum seismograph, Learn how the Richter scale relies on vibration to logarithmically track earth tremors. and fat. re A statement that describes what scientists expect to happen every time Thus, the magnitude scale is considered scientifically more objective and therefore more accurate. They move in one direction. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. They arrive at the same time. ANSWER - 50% of, 1. Both scales, however, suffered from saturation when used to measure earthquakes of magnitude 8 and above. An earthquake is an intense shaking of Earths surface. USGS Earthquake Hazards - The Science of Earthquakes, earthquake - Children's Encyclopedia (Ages 8-11), earthquake - Student Encyclopedia (Ages 11 and up), earthquake-damaged neighbourhood of Port-au-Prince, Haiti. Each seismic station in the network measures the movement of the ground at that site. The earthquake's magnitude is determined using the logarithm of the amplitude (height) of the largest seismic wave calibrated to a scale by a seismograph. First of all, the depth of an A seismometer is the internal part of the seismograph, which may be a pendulum or a mass mounted on a spring; however, it is often used synonymously with "seismograph". Which statement describes the Richter scale? They range from very simple and inexpensive to sophisticated and pricey. - Damage can be measured using the Richter scale. They shake the ground. b. When rocks break, they cause _____ that move throughout, producing typhoons, which is a powerful system. When an earthquake occurred, one or more of the eight dragon-mouths would release a ball into the open mouth of A geoid is the irregular-shaped ball that scientists use to more accurately calculate depths of earthquakes, or any other deep object beneath the earths surface. Each seismic station in the network measures the movement of the ground at that site. They only analyze local data. 1. Which statement about earthquakes is accurate? Select the two | page 3 How do they work? Imagine that you do! Have you ever wondered what it would be like to have an They arrive before S waves. Each seismic station in the network measures the movement of the ground at that site. 6 of the Worlds Deadliest Natural Disasters, https://www.britannica.com/science/Richter-scale. The streams on one side of the fault have shifted in relation to the streams on the other side of the fault. It lies above the surface where rock breaks. A: they release energy B: they are caused by forces C: they begin at the epicenter D: they can lead to massive damage E: they result from movement on earths surface A,D Which statements describes earth? They occur at Earth's surface. What does it mean that the earthquake occurred at a depth of 0 km? State the functions of the skeletal system, including the number and the major bones in the human skeleton. What is a Geoid? What is the difference between earthquake magnitude and earthquake In addition, most of the worlds earthquakes occur within the Ring of Fire, a long horseshoe-shaped belt of earthquake epicentres, volcanoes, and tectonic plate boundaries fringing the Pacific basin. What does it mean that the earthquake occurred at a depth of 0 km? The earliest seismoscope was invented by the Chinese philosopher Chang Heng in A.D. 132. Magnitude calculations are based on a logarithmic scale, so a ten-fold drop in amplitude decreases the magnitude by 1.If an amplitude of 20 millimetres as measured on a seismic signal corresponds to a magnitude 2 earthquake, then:10 times less (2 millimetres) corresponds to a magnitude of 1;100 times less (0.2 millimetres) corresponds to magnitude 0;1000 times less (0.02 millimetres) corresponds An earthquake cannot physically occur at a depth of 0 km or -1km (above the surface of the earth). Which statement describes the damage that results from earthquakes? causing earthquakes, tsunamis, and volcanic, Which of these are financial goals? A- mountains/C.) The statement that best describes the true nature of earthquakes is that: They release Energy. Tamang sagot sa tanong: 5. Which statement describes S waves? You can specify conditions of storing and accessing cookies in your browser. Earth's resources: Effects of Human Activity, Advanced Mechanics of Materials and Applied Elasticity. What is an Earthquake? less simple carbohydrates They vibrate from side to side. Which statement correctly describes the diagram? How are S waves and surface waves similar? Moment magnitude, Richter scale - what are the different magnitude scales, and why are there so many? It contains more complex They arrive before P waves. increasing the spread of infectious diseases. 1. - They measure the difference between the arrival times of surface waves. The primary goal of U.S. Geological Survey (USGS) Natural Hazards Response is to ensure that the disaster response community has access to timely, accurate, and relevant geospatial products, imagery, and services during and after an emergency event. The scale was developed for temblors occuring in southern California that were recorded using the Wood-Anderson seismograph and whose epicentres were less than 600 km (373 miles) from the location of the seismograph. Author of. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Each seismic station in the network measures the movement of the ground at that site. (b) All reversible refrigeration cycles operating between the same two reservoirs have the same coefficient of performance. Nam lacinia pulvinar tortor nec facilisis. Magnitude is a measure of the amplitude (height) of the seismic waves an earthquakes source produces as recorded by seismographs. For example a level I-V on the Mercalli scale would represent a small amount of observable damage. When tectonic plates move, it also causes movements at the faults. P waves, meaning primary waves, travel fastest and thus arrive first at seismic stations. An earthquake is a sudden shaking of Earth's surface caused by the movement of rocks deep underneath. Which factor does the moment magnitude scale estimate? a. existential b. feminist c. gestalt d. psychoanalytic. Pellentesque dapibus efficitur laoreet. - This scale rates an earthquake according to how much damage it causes. Question 1-) what geographic feature(s) of Arkansas made it difficult for settlers to travel?