Earthquake Engineering Research Institute
Learning From Earthquakes

Christchurch Satellite Imagery

   Figure 1.   Figure 1 shows satellite imagery of Christchurch two days after the M6.3 earthquake hit.  To use this imagery, you’ll need to install Google Earth. After you have it installed, open the following files: Central and Northern Christchurch (1KB KMZ) Southern Christchurch (1 KB KMZ) You can turn this image layer on and off […]

Photos of Building Damage

Figure 1. Close-up view of severely damaged. Figure 2. Christchurch Catedral- Destruction of the power. Figure 3. Christchurch Catedral- destruction of the stone masonry tower.             Figure 4. Close-up view of strengthened gable wall that survived the shaking. Figure 5. Content damage. Figure 6. Damage to reinforced concrete block masonry building.       […]

Safety Assessment Efforts in Canterbury

New Zealand’s safety assessment protocols for buildings are similar to those in the U.S. for placing red (unsafe), yellow (restricted access) or green (inspected) placards on buildings so we were somewhat familiar and generally helpful in documentation of the placarding and in making decisions. Responsibility for each team’s decisions were principally delegated to Certified Professional Engineers from other […]

Briefing on Safety Assessment Progress

63,823 buildings have been assessed. Of those, 1,55 residential building have been posted red so far. 340 out of 849 heritage buildings have been posted red. Of the commercial buildings placarded, 730 are red, 756 yellow, and 2029 are green. Controversies about the deconstruction of a few heritage buildings are brewing. 24 buildings have been approved […]