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Tsunami

Tsunami. 2004 Great Sumatra Earthquake. Tsunami Death Toll ~ 250,000. Dec 26 2004 Sumatra Earthquake 00:58:53 UTC. Magnitude 9.0 Latitude: 3.3N Longitude: 95.96E Depth: 30 km Tsunami. Earthquakes: Questions. Where? When? How big? Why? How do we measure eqks?

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Tsunami

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  1. Tsunami

  2. 2004 Great Sumatra Earthquake • Tsunami Death Toll ~ 250,000

  3. Dec 26 2004Sumatra Earthquake 00:58:53 UTC • Magnitude 9.0 • Latitude: 3.3N • Longitude: 95.96E • Depth: 30 km • Tsunami

  4. Earthquakes: Questions • Where? • When? • How big? • Why? • How do we measure eqks? • What do eqks tell us about how the earth? • How are eqks related to volcanoes, tsunami? • Can we predict them? • What can we do about them?

  5. EAS/ENGR 122 Earthquake! www.eas.cornell.edu http://www.geo.cornell.edu/geology/classes/brown/eas122/eas122home05.htm

  6. National Earthquake Information Center(US Geological Survey) http://neic.usgs.gov/neis/bulletin/neic_slav.html 1900- present

  7. Recent Events

  8. Seismicity: Is there a pattern?

  9. Plate Tectonics

  10. Earthquake Geology San Andreas Fault, CA

  11. Earthquake Mechanisms

  12. Earthquake Rupture

  13. Earthquake Surface Displacements

  14. Plate Boundaries

  15. Seismic Waves

  16. Seismic Station

  17. Seismic Waves and The Earth’s Interior

  18. Can we predict earthquakes?

  19. Immediate Precursors?

  20. Slow Earthquakes Miller et al., 2002 http://www.geodesy.cwu.edu/index.html?page=http%3A//www.geodesy.cwu.edu/pubs/p_37.html

  21. Earthquake Engineering x

  22. How Big? C.F. Richter

  23. Mexico City, 1985

  24. San Francisco, 1906

  25. Earthquakes Volanoes Mt. Pinatubo, June 15, 1991

  26. Earthquake Swarms: eruption imminent?

  27. Tsunami Alaska, 1964

  28. GPS

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