How far was the epicenter of the earthquake from Christchurch?
40 kilometres
The earthquake’s epicentre was 40 kilometres (25 mi) west of Christchurch, close to the town of Darfield. The hypocentre was at a depth of 10 km. A foreshock of roughly magnitude 5.8 hit five seconds before the main quake, and strong aftershocks were reported, up to magnitude 5.4.
Where was the epicentre of the Christchurch earthquake 2010?
Darfield
The principal event, sometimes referred to as the Darfield earthquake, struck at 4:35 am on September 4, 2010. The earthquake’s epicentre was located some 25 miles (40 km) west of Christchurch near the town of Darfield, and the focus was located about 6 miles (10 km) beneath the surface.
Where is Christchurch earthquake?
Christchurch
2011 Christchurch earthquake/Location
What damage did liquefaction cause in the Christchurch earthquake?
Widespread liquefaction in the suburbs of Christchurch, as well as rock falls and slope/cliff instabilities in the Port Hills affected tens of thousands of residential buildings and properties, and shattered the lifelines and infrastructure over approximately one third of the city area.
What is the biggest earthquake in New Zealand?
magnitude 8.2 Wairarapa earthquake
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.
Where was the epicentre of the Christchurch earthquake 2011?
Lyttelton
On Tuesday 22 February 2011 at 12.51 p.m. Christchurch was badly damaged by a magnitude 6.3 earthquake, which killed 185 people and injured several thousand. The earthquake epicentre was near Lyttelton, just 10 kilometres south-east of Christchurch’s central business district.
Why is Christchurch not rebuilt?
Decision to not rebuild Some land in and around Christchurch was so damaged that the government determined that making the land safe for rebuilding would take years and require the demolition of most, if not all, buildings, and the eviction of their tenants.
Why is Christchurch prone to liquefaction?
Groundwater levels move up and down over time. Earthquake shaking – Stronger earthquake shaking causes more of the soil profile to liquefy and causes more severe ground damage.
Where was the Epicentre of the Christchurch earthquake 2011?