More than 40,000 buildings were damaged in the surrounding areas. The quake killed 60 people, injured more than 7,000 and left 20,000 people homeless. Sherman Oaks, CA 1994 – The USGS reports that on January 17, 1994, a 6.7 magnitude earthquake hit Northridge, California.The earthquake was so strong, it was felt in high-rise buildings as far away as Boise, Idaho, Albuquerque, New Mexico and Denver, Colorado. One person was killed, two died of heart attacks and more than 400 people were injured. Joshua Tree, CA, 1992 – A magnitude 7.3 earthquake shook Landers, California on June 28, 1992, according to the USGS.Natural Resources Canada reports that a magnitude 6.6 earthquake was recorded on October 5, 1985, and on December 23, 1985, a 6.9 magnitude earthquake struck the area. Nahanni, Canada and Alaska, 1985 – The 1985 Nahanni Earthquakes were a sequence of earthquakes in the mountains west of Fort Simpson in the Northwest Territories of Canada.Now the weight, of course, is very important because that is what generates the devastating earthquake forces through acceleration,” one of the researchers explains during the testing video. What we are essentially looking for is large movements. “The way we do earthquake testing is to simulate an earthquake as closely as possible. They designed four specific shake-table simulations of actual earthquakes. This facility is equipped with two main pieces of equipment, the Linear Shake Table and the Multiple Axis Shake Table, which are specifically designed to test the effects of various earthquake scenarios.Īccording to the Canadian Journal of Civil Engineering, researchers at the University of British Columbia initiated a technical study to investigate the structural performance of the modular wooden dome in earthquake-prone areas and to examine its load resistance to heavy snow. We call this an earthquake.Įarthquake waves are complicated, but can be simulated in a laboratory environment, like in the Earthquake Engineering Research Facility mentioned above. These waves shake the earth as they move through it. When two blocks of earth slide suddenly past each other, energy is released and radiates outward in waves in all directions, like ripples on a pond. The table simulated several earthquake scenarios and even heavily loaded, the dome shape enabled it to withstand the simulations with no damage. In April, 2005, at the University of British Columbia in the Department of Civil Engineering’s Earthquake Engineering Research Facility, researchers put the wood frame of a 24 foot-diameter dome to the test on a shake table.
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