PZ: another strategy is to build a strong house and insulate it from the shaking earth by having it float on anti friction pads. many houses were left intact by the quake in Japan, only to be carried out to see in one piece
I recently retired after 30+ years working as a Development Inspector for a major west coast U.S. city. There were/are two such buildings in my jurisdiction ( concrete, steel & glass, 8 stories ea.) . The foundations sit on huge steel rollers (steel logs) that run the width of the building. The entire foundation and rollers were enclosed within a concrete "moat-like" structure that surrounded the foundation, that in the event of an earthquake, would allow the building to roll forward and back or slide side to side the "rollers" within the moat, in the event of an earthquake. The worst earthquake we had thus far since they were built (6.8). I was curious to see how the rollers would work but the buildings never even bugged however the other seismic dampers did help in terms of making them earthquake resistant and they were able to withstand any serious damage. Perhaps the rollers would have been activated if the other seismic dampers had not controlled the sway so well.
metal straps are great on all joints in a wooden house. wood splits and nails pull out.
Typically they're lag bolted in place so I haven't seen this happen from an earthquake, thus far.