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Plate Tectonics & Earthquakes

Plate Tectonics & Earthquakes. Earthquakes in Western Canada. What causes earthquakes? National Geographic Video on the Cause of Earthquakes Planning for Giant Earthquakes . 2007 Major Earthquakes in Canada. Western Canada Earthquakes in the Last 30 Days.

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Plate Tectonics & Earthquakes

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  1. Plate Tectonics & Earthquakes

  2. Earthquakes in Western Canada • What causes earthquakes? National Geographic Videoon the Cause of Earthquakes Planning for Giant Earthquakes

  3. 2007 Major Earthquakes in Canada

  4. Western Canada Earthquakes in the Last 30 Days • There are many earthquakes every day, but only a small number of these quakes are noticeable and even fewer result in damage.

  5. Earthquake Effects • What are some effects of earthquakes? • Volcanic Eruptions • Devastation from shaking (destroys houses and kills people) • Tsunami

  6. Mt St. Helens Eruption 1980 Mt St Helens Video (7mins on)

  7. 540 million tons of ash fell over an area of more than 22,000 square miles!!!! • 350 times more powerful than the explosions of the first nuclear bombs

  8. Big Earthquakes in Our Area Several MAJOR earthquakes have hit B.C. and Western North America in the last 100+ Years • 1906 San Francisco 8.3 Richter Scale • 1967 Anchorage, Alaska 9.2 Richter Scale

  9. 1906 San Francisco Earthquake

  10. 1906 San Francisco Earthquake • Fire destroyed 500 city blocks • 5500 killed, 300,000 homeless • Looters shot (500 killed) • $5.1 Billion of damage (in 2006 $)

  11. 1964 Alaska Earthquake • HUGE!!! 123 people dead and over $100million in damages • Raised land by 30 feet and some areas dropped by 8 feet • Tsunamis occurred

  12. Port Alberni Tsunami

  13. Port Alberni Tsunmai • 375 Houses Damaged 55 houses lost • Extensive flooding

  14. You Tube: Cascadia Subduction Zone • Earthquake Simulation

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