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Sw3 week12 slide1

  1. 1. Earthquake in Chile s1180197 Kana Horii
  2. 2. Scale When: February 27, 2010 Season: Summer Magnitude: 8.8 Focal depth: 35km Maximum seismic intensity: VIII(Mercalli intensity scale) Grade: The fifth in the world(At that time)
  3. 3. Details Type: The deep type earthquake Epicenter: 35 kilometres (22 mi) or 30.1 kilometres (19 mi) Length of active fault: 450-500m Slippage: 8m Plates: The Nasca plate on the Pacific Ocean side sinks under the South America plate on a continental side in Peru and Chile Trench and it crowds.
  4. 4. Tsunami Maximum: More than 30m Most of the dead is due to the tsunami.
  5. 5. Personal suffering Region Frequency Valparaiso 20 Metropolotana 38 O'Higgins 48 Maule 587 Biobio 92 Araucania 14 Total 799 Number of dead
  6. 6. Material damage ● Massive power outage ● The Arturo Merino Benitez international airport destroys part, and is a temporary closure. ● The area of the territory in Chile increases by 1.2 square kilometers. ● There is a possibility that the length of a day shortened for 1.26/1,000,000 seconds.
  7. 7. After shocks Magnitude Frequency More than 4.5 326 More than 6.0 16
  8. 8. Conclusion ● A big aftershock happened many times. ● The tsunami was observed in various places. ● The victim went out a lot.

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