いろいろ the s-wave shadow zone occurs because 129078
FEEDBACK The Pwave shadow zone, shown in gray, occurs because Pwaves are refracted or bent at the coremantle boundary FEEDBACK When shallow, intermediate, and deep earthquakes are all present, the tectonic setting is a convergent plate boundary The plate movement results in earthquakes at all three depths as the plate on the east sideA shadow zone occurs on the opposite side of the earth from an earthquake because of the liquid outer core SWaves are stopped all together while the PWaves are refracted (bent) to create a zone where no waves are picked up at all This zone is between 102° and 143°around the earth from the earthquakeThe area beyond 105 degrees of distance forms a shadow zone At larger distances, some P waves that travel through the liquid core would arrive, but still no S waves READ Hawaii 1946 Sugar Strike The Earth has to have a molten, fluid core to explain the lack of S waves in the shadow zone, and the bending of P waves to form their shadow zone Quiz Worksheet Seism
