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EARTHQUAKES
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DEFINITION:
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES:
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES: buildings destroyed, loss of lives…
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES: buildings destroyed, loss of lives… CAUSE:
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES: buildings destroyed, loss of lives… CAUSE: A sudden release of energy
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES: buildings destroyed, loss of lives… CAUSE: A sudden release of energy A sudden movement in a fault zone A sudden movement in a fault zone
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES: buildings destroyed, loss of lives… CAUSE: A sudden release of energy A sudden movement in a fault zone A sudden movement in a fault zone
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES: buildings destroyed, loss of lives… CAUSE: A sudden release of energy A sudden movement in a fault zone A sudden movement in a fault zone Forces from the interior Movement of tectonic plates
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES: buildings destroyed, loss of lives… CAUSE: A sudden release of energy A sudden movement in a fault zone A sudden movement in a fault zone Forces from the interior Movement of tectonic plates STUDYING EARTHQUAKES:
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES: buildings destroyed, loss of lives… CAUSE: A sudden release of energy A sudden movement in a fault zone A sudden movement in a fault zone Forces from the interior Movement of tectonic plates STUDYING EARTHQUAKES: seismographs and seismograms
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES: buildings destroyed, loss of lives… CAUSE: A sudden release of energy A sudden movement in a fault zone A sudden movement in a fault zone Forces from the interior Movement of tectonic plates STUDYING EARTHQUAKES: seismographs and seismograms
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES: buildings destroyed, loss of lives… CAUSE: A sudden release of energy A sudden movement in a fault zone A sudden movement in a fault zone Forces from the interior Movement of tectonic plates STUDYING EARTHQUAKES: seismographs and seismograms They report the energy Richter scale or magnitude 1, 2, 3, 4, 5, 6…
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES: buildings destroyed, loss of lives… CAUSE: A sudden release of energy A sudden movement in a fault zone A sudden movement in a fault zone Forces from the interior Movement of tectonic plates STUDYING EARTHQUAKES: seismographs and seismograms They report the energy Richter scale or magnitude 1, 2, 3, 4, 5, 6… Depending on damages Mercalli scale or intensity I, II, III, IV, V, VI…. XII
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES: buildings destroyed, loss of lives… CAUSE: A sudden release of energy A sudden movement in a fault zone A sudden movement in a fault zone Forces from the interior Movement of tectonic plates STUDYING EARTHQUAKES: seismographs and seismograms They report the energy Richter scale or magnitude 1, 2, 3, 4, 5, 6… Depending on damages Mercalli scale or intensity I, II, III, IV, V, VI…. XII Two scales to measure earthquakes
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES: buildings destroyed, loss of lives… CAUSE: A sudden release of energy A sudden movement in a fault zone A sudden movement in a fault zone Forces from the interior Movement of tectonic plates STUDYING EARTHQUAKES: seismographs and seismograms They report the energy Richter scale or magnitude 1, 2, 3, 4, 5, 6… Depending on damages Mercalli scale or intensity I, II, III, IV, V, VI…. XII Two scales to measure earthquakes PREDICTION
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES: buildings destroyed, loss of lives… CAUSE: A sudden release of energy A sudden movement in a fault zone A sudden movement in a fault zone Forces from the interior Movement of tectonic plates STUDYING EARTHQUAKES: seismographs and seismograms They report the energy Richter scale or magnitude 1, 2, 3, 4, 5, 6… Depending on damages Mercalli scale or intensity I, II, III, IV, V, VI…. XII Two scales to measure earthquakes PREDICTION Where? When?
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES: buildings destroyed, loss of lives… CAUSE: A sudden release of energy A sudden movement in a fault zone A sudden movement in a fault zone Forces from the interior Movement of tectonic plates STUDYING EARTHQUAKES: seismographs and seismograms They report the energy Richter scale or magnitude 1, 2, 3, 4, 5, 6… Depending on damages Mercalli scale or intensity I, II, III, IV, V, VI…. XII Two scales to measure earthquakes PREDICTION Where? Seismic areas (riks maps) When?
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES: buildings destroyed, loss of lives… CAUSE: A sudden release of energy A sudden movement in a fault zone A sudden movement in a fault zone Forces from the interior Movement of tectonic plates STUDYING EARTHQUAKES: seismographs and seismograms They report the energy Richter scale or magnitude 1, 2, 3, 4, 5, 6… Depending on damages Mercalli scale or intensity I, II, III, IV, V, VI…. XII Two scales to measure earthquakes PREDICTION Where? Seismic areas (riks maps) When? Nobody knows… What can we do?
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EARTHQUAKES DEFINITION: a violent trembling of the earth’s surface CONSEQUENCES: buildings destroyed, loss of lives… CAUSE: A sudden release of energy A sudden movement in a fault zone A sudden movement in a fault zone Forces from the interior Movement of tectonic plates STUDYING EARTHQUAKES: seismographs and seismograms They report the energy Richter scale or magnitude 1, 2, 3, 4, 5, 6… Depending on damages Mercalli scale or intensity I, II, III, IV, V, VI…. XII Two scales to measure earthquakes PREDICTION Where? Seismic areas (rik maps) When? Nobody knows… What can we do? Better buildings Education of population Civil protection
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1.What do volcanic eruptions and earthquakes have in common? 2.What are seismic waves? 3.Name the crack in the earth’s surface along which movements take place. 4.What is the difference between the hypocentre and the epicentre during an earthquake? 5.Name the instrument used to detect and record earthquakes. 6.What does the Richter scale measure? 7.Can scientists predict where and when an earthquake will happen? 8.Granada is in a seismic area. How can our city avoid or limit an earthquake’s damage? 9.What is a tsunami? 10.Where did the tsunami disaster of 26 th December 2004 take place? 11.What caused that tsunami? 12.Have you recently heard of another tsunami? Where? Describe its consequences. 13.Can scientists predict when a tsunami will happen?
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