Earthquakes in Western Canada  What causes earthquakes? National Geographic Video National Geographic Video on the Cause of Earthquakes National Geographic.

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  • Earthquakes in Western CanadaWhat 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 DaysThere are many earthquakes every day, but only a small number of these quakes are noticeable and even fewer result in damage.

  • Earthquake EffectsVolcanic EruptionsDevastation from shaking (destroys houses and kills people)TsunamiWhat are some effects of earthquakes?

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

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

  • Big Earthquakes in Our AreaSeveral 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

  • 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 $)1906 San Francisco Earthquake

  • 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

  • Port Alberni Tsunami

  • Port Alberni Tsunmai375 Houses Damaged 55 houses lostExtensive flooding

  • You Tube: Cascadia Subduction Zone

    Earthquake Simulation

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