--of special interest: surface waves traveled through the air to affect the blimp (there for the World Series) Christchurch Earthquake Showing the sand liquefaction process with vibration Liquefaction Japan
Nimitz Freeway Collapse
Part 1 Part 2
Good Friday Earthquake, Alaska 1964 5:36 pm March 27 -- shaking lasted 3 to 5 minutes -- death toll: 131 (16 in Oregon and California from tsunami) -- caused by subduction of Pacific Plate beneath North American Plate, along the Alaskan Megathrust fault --vertical uplift up to 38 feet, downdrops up to 7.5 feet --of special interest Old Valdez: port built on unconsolidated material, liquefaction caused a landslide, which triggered a local tsunami, over 30 people fell into the sea, some never found, others crushed by freight Valdez was moved and rebuilt Turnagain Heights: neighborhood overlooking the sea built on a layer of clay (liquefaction caused 200 acres to slide toward the sea), 75 homes destroyed, two houses that were originally more than two football fields apart collided within the landslide area.
World's Twelve Largest Earthquakes Includes all measured earthquakes since 1900 Magnitude Location Date 9.5 Chile 05/22/1960 9.2 Alaska 03/28/1964 9.1 Off the coast of Northern Sumatra 12/26/2004 9.0 Honshu, Japan 03/11/2011 9.0 Kamchatka 11/04/1952 8.8 Off the coast of Chile 02/27/2010 8.8 Off the coast of Ecuador 01/31/1906 8.7 Rat Islands, Alaska 02/04/1965 8.6 Northern Sumatra 03/28/2005 8.6 Tibet 08/15/1950 8.6 Off the coast of Nortern Sumatra 04/11/2012 8.6 Andreanof Islands, Alaska 03/09/1957 Data from the United States Geological Survey
You've reached the end of your free preview.
Want to read all 26 pages?
- Fall '08