Why some buildings fall and others stay standing | Earthquake Ready or Not: Episode 9

Ever wonder how some buildings stay upright during an earthquake? Here's a look at how some structures are built or retrofitted to withstand the violent shaking. Pioneer Courthouse in downtown Portland, for example, uses a “base isolation system.” In the event of an earthquake the building will sway gently back and forth, kind of like a pendulum.
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[@handlemonium]

What about the several hundred legacy non-reinforced brick buildings around Downtown Portland that could result in $50 Billion or more in damages? Is investing several billion dollars to retrofit them with earthquake survival devices being looked into?

[@brandonbockman3454]

Is good Sam's hospital earthquake safe in NW Portland and providence east side Ohsu is built earthquake safe low risk of collapsing