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Earthquake simulator for buildings.
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Previously:
https://www.homemadetools.net/forum/...634#post170504
https://www.homemadetools.net/forum/...745#post155909
https://www.homemadetools.net/forum/...348#post142352
https://www.homemadetools.net/forum/...957#post137589
https://www.homemadetools.net/forum/...151#post130337
Wood structure?
A few years ago I did a disaster recovery for a mine. A tornado hit it and did about $50 million in damage. I couldn't believe it, but the brick and block structures were absolutely destroyed. The only things left standing were wood frame and steel structures. Never in a million years would I have predicted that.
In an earthquake a wood structure is one of the safest as they have an ability to flex and not topple. We had a 6.3 here in 2010 and I was in a second story house. It was interesting. Sounded like the loudest freight train I ever heard and we did a lot of dancing.