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
Port Alberni Tsunami
Port Alberni Tsunmai375 Houses Damaged 55 houses lostExtensive flooding
You Tube: Cascadia Subduction Zone