U.S. Geological Survey       National Strong-Motion Program

February 28, 2001, Mw 6.8 Nisqually, Washington Earthquake


Seattle, Washington

Photos by A. Sanli and M. Celebi (USGS), S. Akkar ( METU, Ankara, Turkey)


Damage pictures at Seattle, Washington  (click on picture number to get full-size picture or view thumbnails of pictures)

PicS-01 Broken parapet wall and brick veneer. PicS-18 Brick wall failure at the roof level.
PicS-02 An example of minor corner damage due to pounding. PicS-19 Close up of brick wall failure in previous picture.
PicS-03 An example of shear cracks in brick masonry coupling walls. PicS-20 Brick wall cracks. The building has been previously retrofitted with diaphragm ties seen in the picture.
PicS-04 Close up of the shear cracks in previous picture. PicS-21 Close up of brick wall cracks in previous picture.
PicS-05 Another close-up view of shear cracks. PicS-22 The brick wall cracks mostly start from window corners.
PicS-06 Broken parapet wall at the roof level of a brick masonry building. PicS-23 Another brick wall crack (note: diaphragm ties may have helped reduce more severe damage).
PicS-07 Cracks at the arches on a brick masonry building. PicS-24 Wall failure at the roof level (note: diaphragm ties).
PicS-08 Pounding damage. The pounding caused corner edge to separate. PicS-25 Seattle Fire Dept. Bldg. (note: 2 levels of the building).
PicS-09 Close up of pounding damage in previous picture. PicS-26 Cracks at the level of low-rise building of the Seattle Fire Dept. Bldg.
PicS-10 A red-tagged corner, brick masonry building. The front wall is separated from the building at the joint. It also has plaster damage. PicS-27 Starbucks Headquarters Building (SHB).
PicS-11 Close up of main separation in previous picture. PicS-28 Cracks on the tower of the SHB.
PicS-12 Plaster cracks on a mixed brick masonry corner building. PicS-29 Wall cracks on the SHB.
PicS-13 Another brick masonry corner building with brick separation and pounding damages (note the ties for diaphragms). PicS-30 Another view showing wall cracks and the broken veneer at the roof level.
PicS-14 Close up of the damages at the roof level in previous picture. PicS-31 Wall failure
PicS-15 Damage due to pounding effect. PicS-32 Shear cracks on a brick masonry corner building.
PicS-16 General view of two buildings with different height (pounding occurred). PicS-33 Another masonry building with shear cracks.
PicS-17 Close up of pounding damage in previous picture.    

 


Damage pictures at Seattle, Washington  (click on picture to get larger version)

PicS-01_sm.jpg

Broken parapet wall and brick veneer.

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An example of minor corner damage due to pounding.

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An example of shear cracks in brick masonry coupling walls.

PicS-04_sm.jpg

Close up of the shear cracks in previous picture.

PicS-05_sm.jpg

Another close-up view of shear cracks.

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Broken parapet wall at the roof level of a brick masonry building.

PicS-07_sm.jpg

Cracks at the arches on a brick masonry building.

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Pounding damage. The pounding caused corner edge to separate.

PicS-09_sm.jpg

Close up of pounding damage in previous picture.

PicS-10_sm.jpg

A red-tagged corner brick masonry building. The front wall is separated from the building at the joint. It also has plaster damage.

PicS-11_sm.jpg

Close up of main separation in previous picture.

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Plaster cracks on a mixed brick masonry corner building.

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Another brick masonry corner building with brick separation and pounding damages (note the ties for diaphragms).

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Close up of the damages at the roof level in previous picture.

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Damage due to pounding effect.

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General view of two buildings with different height (pounding occurred).

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Close up of pounding damage in previous picture.

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Brick wall failure at the roof level.

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Close up of brick wall failure in previous picture.

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Brick wall cracks. The building has been previously retrofitted with diaphragm ties seen in the picture.

PicS-21_sm.jpg

Close up of brick wall cracks in previous picture.

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The brick wall cracks mostly start from window corners.

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Another brick wall crack (note: diaphragm ties may have helped reduce more severe damage).

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Wall failure at the roof level (note: diaphragm ties).

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Seattle Fire Dept. Bldg. (note: 2 levels of the building).

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Cracks at the level of low-rise building of the Seattle Fire Dept. Bldg.

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Starbucks Headquarters Building (SHB).

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Cracks on the tower of the SHB.

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Wall cracks on the SHB.

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Another view showing wall cracks and the broken veneer at the roof level.

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Wall failure

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Shear cracks on a brick masonry corner building.

PicS-33_sm.jpg

Another masonry building with shear cracks.

   


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This page was posted on March 20, 2001.