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Great Earthquakes

Explore the powerful impact and causes of great earthquakes, including volcanic activity, tectonic plate movement, asteroids, and bombs. Discover the top ten largest earthquakes on record, from the devastating Chile earthquake of 1960 to the destructive Lisbon earthquake of 1755. Learn about the resulting tsunamis, deaths, injuries, and damage they caused.

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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

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