How A Ten-Story Wood Building Withstood Over a Hundred Earthquakes

The structure is the tallest ever put through earthquake simulation on the biggest, most effective "shake table," which uses hydraulic actuators to move the steel platform through six degrees of motion to simulate seismic power.

Northeast San Diego was shaken by an earthquake one sunny morning last month. Another earthquake struck a few minutes later, forcing a ten-story wood structure to wobble.

The building, a f....