gsmonks, on 24 June 2010 - 12:10 PM, said:
Not very. I worked in construction (as a welder) in Toronto in the 1980's. They use old-fashioned girder 'n' beam construction. Vancouver, on the other hand, digs a huge hole, builds a huge steel-reinforced concrete pole in the ground that runs up the centre of the building and contains the stairs and elevators, and off this the rest of the building is hung. Which is why that building on Georgia that's suspended by straps is built the way it is. Engineers showing off, and all.
I wasn't aware that they got earthquakes around the Canadian Shield. I thought that area was very stable.
I knew they could happen, but thought they were pretty rare.
It looks they, for the last couple decades anyways, been getting a moderate earth quake every 12 years.
"The crust is more rigid [in this region]," geologist Arsalan Mohajer of the University of Toronto told CBC News Online. "This is good news and also bad news. The good news is that we don't experience that many earthquakes. The bad news is that we don't know when the next possibly big earthquake will occur, because of a lack of information and data."
The last moderate earthquake in the region occurred on Sept. 25, 1998, when a magnitude 5.4 earthquake, centred just south of Lake Erie, rattled dishes and shook floors across Southern Ontario. A magnitude 5 quake shook the area 12 years earlier, in January 1986.
They also mentioned a 6.0er in the Saguenay region, Quebec, in Nov '88.
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Rule#1: Believe the Autocrat.
Rule#2: Do not be taken in by small signs of normality.
Rule#3: Institutions will not save you.
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Rule#6: Remember the future.
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