What buildings were destroyed in the Christchurch earthquake?
The earthquake destroyed the ChristChurch Cathedral’s spire and part of its tower, and severely damaged the structure of the remaining building. The remainder of the tower was demolished in March 2012.
What damage did the 2011 Christchurch earthquake cause?
The Christchurch earthquake caused extensive damage to infrastructure and buildings. Multiple buildings collapsed, and the city was impacted by burst water mains, flooding, liquefaction and power outages. The port was damaged, and many roads cracked.
What damage did the 2010 Christchurch earthquake cause?
The earthquakes interrupted power and water supplies, three unoccupied buildings collapsed and there was again liquefaction in eastern suburbs and rockfalls in hill areas.
How many schools were damaged in the Christchurch earthquake?
Schools. One hundred and sixty three primary and secondary schools were affected by the earthquake, most of which were closed for three weeks. Ninety schools had full structural clearance and were able to reopen. Twenty four had reports indicating further assessment and 11 were seriously damaged.
How many buildings were demolished in Christchurch?
Earthquake damage Many stone and brick buildings in Christchurch were damaged. Up to 100,000 buildings were damaged and about 10,000 buildings needed to be demolished. Christchurch was divided into four zones after the earthquake.
Why do some buildings survive earthquakes better than others?
Ancient buildings survive seismic shock because of their sound form and strength which is sufficient to resist earthquake of magnitude lesser than that can cross the maximum bearing capacity of these buildings. If sound design and construction practices are not followed, it will result in collapse.
What was the worst earthquake in New Zealand?
Historically, New Zealand has experienced many large earthquakes. The biggest NZ earthquake – magnitude 8.2 Wairarapa earthquake in 1855. On an international scale, the 1855 earthquake is of major significance in terms of the area affected and the amount of fault movement.
Why didn’t a tsunami occur in the Christchurch earthquake 2011?
The September 2010, February 2011 and June 2011 earthquakes did not cause tsunamis because they happened on land and did not disrupt the sea floor.
Can historic buildings be demolished?
Demolishing a building or structure of historic value can be a good thing if the land cleared is going to be used beneficially. If you would like to demolish a historic property and have the intention to rebuild, your city may be more likely to grant you approval depending on what the land is going to be used for.
What happens to buildings in earthquakes?
Conventional buildings shake with the ground in an earthquake. They may sustain structural damage but are designed to remain standing. If the building shakes too much, structural elements, including beams, columns, walls and braces, can be damaged, rendering the building nonfunctional.
How do buildings fall in earthquakes?
Most collapses that occur during earthquakes aren’t caused by the earthquake itself. Instead, when the ground moves beneath a building, it displaces the foundation and lower levels, sending shock waves through the rest of the structure and causing it to vibrate back and forth.
How often do earthquakes occur in Christchurch?
Historic trends and records dating from the 1840s show that, on average, New Zealand can expect several magnitude 6 earthquakes every year, one magnitude 7 every 10 years, and a magnitude 8 every century.
When was the last time Christchurch had an earthquake?
February 2011 Christchurch earthquake. Dust clouds above central Christchurch, 22 February 2011. At 12.51 p.m. on 22 February 2011, the Canterbury region was struck by a magnitude 6.3 earthquake. At the time it was still recovering from the effects of a 7.1-magnitude earthquake on 4 September 2010.
What happened on 22 February 2011 in Christchurch?
Dust clouds above central Christchurch, 22 February 2011. At 12.51 p.m. on 22 February 2011, the Canterbury region was struck by a magnitude 6.3 earthquake. At the time it was still recovering from the effects of a 7.1-magnitude earthquake on 4 September 2010.
What was the size of the 2011 Canterbury earthquake?
At 12.51 p.m. on 22 February 2011, the Canterbury region was struck by a magnitude 6.3 earthquake. At the time it was still recovering from the effects of a 7.1-magnitude earthquake on 4 September 2010. Though smaller than the first quake, and technically part of its aftershock sequence, the February earthquake was more destructive.
How many people died in the 22 February 2011 earthquake NZ?
Location of earthquake fatalities, 22 February 2011 (NZ Police) One hundred and eighty five people died as a result of the 22 February earthquake. One hundred and fifteen died in the CTV building, 18 in the PGC building, 36 in the central city (including eight on buses), and 12 in the suburbs.