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Great Earthquakes

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Great Earthquakes

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  1. Great Earthquakes Richard Vang & Jared Dunn COSMOS 2006: Earthquakes in Action

  2. What causes earthquakes? • Volcanoes • Movement between tectonic plates • Asteroids • Bombs

  3. Top ten largest earthquakes on record

  4. Chile • May 22, 1960 • M9.5 • Largest earthquake in the world • More than 2,000 deaths, 3,000 injures, 2,000,000 homeless, and $550 million of damage • Tsunami occur in Hawaii, Japan, Philippines, and west coast of the United States http://earthquake.usgs.gov/regional/world/events/1960_05_22.php

  5. Prince William Sound, Alaska • March 18, 1964 • M9.2 • 125 deaths, $311 million in property damage • Landslides, tsunami • 5 story JC Penny building

  6. Sumatra-Andaman Islands • December 26, 2004 • M9.1 • Tsunami caused 157,577 deaths, 26,763 missing and 1,075,350 relocated in South Asia and East Africa

  7. Kamchatka • November 4, 1952 • M9.0 • No lives were lost in Kamchatka • Tsunami flooded streets in Midway Islands from the Kamchatka earthquake

  8. Off The Coast of Ecuador • January 31, 1906 • M8.8 • Channels of Wailuku and Wailoa Rivers dried up

  9. Rat Islands, Alaska • February 4, 1965 • M8.7 • Tsunami about 10.7 meter high

  10. Lisbon, Portugal • November 1, 1755 • M8.7 • Fire ravaged the city • Czech broadsheet with the inscription “The story of the disastrous earthquake in Lisbon…”

  11. Northern Sumatra, Indonesia • March 28, 2005 • M8.6 • Depth of 30km • 1000 people killed http://static.flickr.com/6/7700922_1edc94ab6d.jpg?v=0

  12. Kuril Islands • October 13, 1963 • M8.6 • Depth of 33km http://www.drgeorgepc.com/tsu94KurilIslands.gif

  13. Andreanof Islands, Alaska • March 9, 1957 • M8.6 • 18 meter tsunami http://neic.usgs.gov/neis/eq_depot/usa/1957_03_09.html

  14. Conclusion • Located same type of boundaries (convergent) • 8.6 magnitude and above • Most occur on the Ring of Fire • All generated tsunamis

  15. References • http://earthquake.usgs.gov/regional/world/events/1960_05_22.php • http://earthquake.usgs.gov/regional/states/events/1964_03_28.php • http://earthquake.usgs.gov/eqcenter/eqinthenews/2004/usslav • http://earthquake.usgs.gov/regional/world/events/1952_11_04.php • http://earthquake.usgs.gov/regional/world/events/1906_01_31.php • http://earthquake.usgs.gov/regional/states/events/1965_02_04.php • http://earthquake.usgs.gov/regional/world/events/1755_11_01.php • http://earthquake.usgs.gov/eqcenter/eqinthenews/2005/usweax/#summary • http://earthquake.usgs.gov/regional/states/events/1957_03_09.php • http://www.geophys.washington.edu/tsunami/general/historic/aleutian57.html • http://www.intute.ac.uk/sciences/hazards/earthquake_11_report.html