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9 1 Understanding Earth Through Seismology Physical Geology 2nd Edition

P waves travel more slowly in the outer core than in the lower mantle Liquids do not transmit S waves The S wave shadow zone is caused by the _____ the crustmantle boundary the outer core the lower mantle the inner core The Swave shadow zone extends from _____ to 180 o angular distance from the earthquake focus on one side and from _____ to 180 o on the other 45 degreesFor this reason, there is also an S wave shadowzone The slower seismic surface waves do not penetrate the earth's interior, but follow the surface One type of surface wave, the Love wave, travels in a circular motion and causes damage by displacing materials horizontally Love waves can be very damaging This cracked pavement and these twisted railroad tracks clearly demonstrate

S wave shadow zone definition

S wave shadow zone definition-Lwaves do not have a shadow zone because The shadow zone is the area of the earth from an angular distance of 105° to 140° from a given earthquake for both Pwaves as well as Swaves Generally, seismographs located at any distance within 105° from the epicenter record the arrival of Swaves, and beyond 140° from the epicenter record the arrival of Pwaves Lwaves are Oxygen deficient zones like the North Pacific shadow zone occupy only 0 35% of ocean volume worldwide Yet they are growing as ocean oxygen levels drop trend linked to global warming that threatens marine ecosystemsands plays an important role in global biogeochemical cycles anaerobic microbes that live in these zones, for example, use up roughly half the ocean's

Waves As Probes

Shadow Zone wide belt around Earth on the side opposite the focus of the earthquake, , An area on the Earth's surface where no direct seimic waves from a particular earthquake can be detected why does the shadow zone exist5)Triangulation A process used to determine the epicenter of the earthquake; That's the shadow zone You can see this in a simply experiment Put a glass tumbler in the middle of a large flat pan and fill the pan with water With the water now flat and smooth create a wave

 Wave shadow Barriers such as islands and breakwaters intercept the normal transmission of wave energy and thus create a sheltered area in the wave lee from which waves are excluded This sheltered area is called the zone of wave shadow The size and location of the shadow zone can have great importance in the protection of the coastline and The S wave shadow zone occurs because S waves do not pass through liquids and part of Earth's core is liquid The P wave shadow zone occurs because P waves slow down and get refracted when they pass through the part of Earth's core that is liquid 0 votes answered by Abby99 This is great Thanks More questions like thisS waves cannot travel through the outer core because these waves cannot exist in fluids, such as air, water or molten rock Sag (fault) A narrow geological depression found in strikeslip fault zones Those that contain water are called sag ponds Scarp (fault) A cliff or steep slope formed by displacement of the ground surface Seiche A free or standing wave oscillation of the surface of

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Shadow zone 1 A region of the subsurface from which seismic reflections cannot be detected because their raypaths do not emerge to the surface 2 A zone over the Earth's surface in which Pwaves and/orCorrectly complete this sentence using the words providedSwaves travel curved paths and are prevented from reaching the core mantle boundarysome Swaves are refracted inward through the core before they reach this zonesome Swaves are refracted upward before they reach the core Swaves cannot travel through the outer coreThe Swave shadow zone occurs ;

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