55-story tall building - EQ

The recorded shaking of the building from two distant earthquakes before and after the retrofit.

Detailed Description

The recorded shaking of the building from two distant earthquakes before and after the retrofit. The seismic instrument that recorded these two events was on the 52nd floor oriented in the N-S direction. Note that the acceleration before was about 5 times larger than after.

Details

Image Dimensions: 430 x 298

Location Taken: US