How long did Christchurch earthquake last?
approximately 10 seconds
While the initial quake only lasted for approximately 10 seconds, the damage was severe because of the location and shallowness of the earthquake’s focus in relation to Christchurch as well as previous quake damage….2011 Christchurch earthquake.
| Damaged Catholic cathedral two months on | |
|---|---|
| Depth | 5 km (3.1 mi) |
What is the biggest earthquake ever recorded?
On May 22, 1960 a great Mw 9.5 earthquake, the largest earthquake ever instrumentally recorded, occurred off the coast of southern Chile. This earthquake generated a tsunami that was destructive not only along the coast of Chile, but also across the Pacific in Hawaii, Japan, and the Philippines.
What made Christchurch vulnerable?
The city of Christchurch is vulnerable to shaking and liquefaction due to the foundation of alluvial sediment. Underlying these sediments are tectonic faults, only some of which have been identified (e.g., [51], [21]).
How many homes destroyed Christchurch earthquake?
Schools were closed; the Christchurch airport remained open only for emergencies. As a result of both the September 2010 and February 2011 earthquakes, 10,000 homes needed to be rebuilt and 3,500 demolished. There were 185 deaths as a result of the earthquake, and 6,659 major injuries (in the first 24 hours).
When was the first earthquake in Christchurch?
February 22, 20112011 Christchurch earthquake / Start date
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.
How many earthquakes are there in Christchurch?
One of the world’s largest natural disasters Between September 2010 and the end of 2011, 4 major earthquakes and more than 11,200 aftershocks shook the residents of Christchurch and surrounding towns.
Is Christchurch on a fault line?
The Christchurch Fault is an active seismic fault running under the city of Christchurch in the middle of New Zealand’s South Island. It runs from an area close to Riccarton, under the Central City, through the eastern suburbs off the coast of New Brighton.
How did the Christchurch Earthquake 2011 happen?
The earthquake was caused by the rupture of a 15-kilometre-long fault along the southern edge of the city, from Cashmere to the Avon–Heathcote estuary. The fault slopes southward beneath the Port Hills and did not break the surface – scientists used instrument measurements to determine its location and movement.