Is Christchurch sinking?

2A and 2E). Compared to pre-earthquake elevations, 86\% of central and eastern Christchurch subsided through the CES; 10\% subsided more than 0.5 m, with some localized locations exceeding 1 m. Cumulative tectonic subsidence through the CES reached 0.18 m (Fig. 2E).

What impact did the Christchurch earthquake have on New Zealand?

The earthquakes interrupted power and water supplies, three unoccupied buildings collapsed and there was again liquefaction in eastern suburbs and rockfalls in hill areas. One person died after tripping on uneven ground caused by the earthquake.

What were the effects of the 2011 earthquake in Christchurch New Zealand?

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.

Does Christchurch flood?

Flooding by tides and high river flows on the River Avon in Christchurch has been a regular occurrence. Although serious river flooding has occurred – for example in 1960 – flooding in the Christchurch area has been dominated by tidal events.

What was the worst 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.

What is liquefaction Christchurch?

Liquefaction is a natural process where earthquake shaking increases the water pressure in the ground in some types of soil, resulting in temporary loss of soil strength. Liquefaction can cause significant damage to land, buildings, infrastructure and the environment, as well as economic and social disruption.