It caused liquefaction, severe damage, and 2 deaths due to a landslide. Christchurch, New Zealand February 22nd 2011. Moreover, as already reported, the 4 September 2010 earthquake centered in the town of Darfield about 40km west of Christchurch, caused Secondary Effects. The 2011 Christchurch quake which left the city in ruins was magnitude-6.2. An earthquake is caused by a sudden slip on a fault.The tectonic plates are always slowly moving, but they get stuck at their edges due to friction. GeoNet says the magnitude was recorded as a 3.4 and caused "light shaking" - but locals say it … In 2011, 20,500 people died as a result of earthquakes, tsunamis, or other consequences. From a global insurance perspective this is likely to be one of the most expensive earthquakes of all time, and it is likely to rank as the first or second worst natural disaster in the history of New Zealand in terms of loss of life. The magnitude 6.2 earthquake was so devastating to Christchurch on Feb. 22, 2011, because it ruptured on a fault directly underneath the city, … In February 2011, Christchurch was struck by a severe earthquake that killed 185 people and caused significant disruption and damage to large portions of a city already weakened by an earlier earthquake. In June 2011, an assessment of the building was underway to determine the extent of the damage. The number one cause of earthquake deaths is the collapse of structures. Much of the damage experienced in New Zealand during the 2011 Christchurch earthquake was caused by liquefaction. In the central city alone, more than 1,000 buildings have been demolished. See more. There are many puzzles as to why some of Christchurch’s buildings have survived the 6.3 earthquake of February 2011, and others have not. When that solid ground turns to liquid — as sometimes happens during earthquakes — it can topple buildings and bridges. 02:33. and only 45 being over magnitude 4. The Christchurch quake in New Zealand also ravaged the insurance industry, Australia floods cost billions and winter storms in the United States did plenty of damage of their own. Your playlist will load after this ad. Although the total energy released by the 22 February 6.3 aftershock was only about 1/20 of the energy from last The February 22nd 2011 aftershock affected Christchurch more than the original quake, because this aftershock was directly underneath Christchurch whereas the original was about 40km away. ... Christchurch earthquake, some … The 6.3 magnitude earthquake that struck Christchurch this morning was considerably less powerful than the 7.1 magnitude shake that hit last … It was 6.3 on the Richter scale and 8 on the Mercalli scale. For we wrestle not against flesh and blood, but against principalities, against powers, against the rulers of the darkness of this world, against spiritual wickedness in high places. One man hospitalised following shooting in South Canterbury. The two researchers developed a machine learning model that predicted the amount of lateral movement that occurred when the Christchurch earthquake caused soil to lose its strength and shift relative to its surroundings. Casualties of War January (3) 2010 (72) December (3) November (7) September (1) July (2) June (7) May (6) April (14) March (14) The Town Hall was closed as a result of significant damage caused by the February 2011 Christchurch earthquake from liquefaction and the related lateral spreading of the ground towards the Avon River. As residents mark the anniversary of the 22 February earthquakes, RNZ takes a look at what has become of the city in the past 10 years. He later leapt into the water and was rescued by an air force helicopter. These all affect the way the seismic waves travel through the ground. Listen: Listen. It's a bit like a circle around the Pacific Ocean, and it's given its name because most of the world's active volcanoes are in this ring. Its is the energy being moved through the rock like a whale song in the ocean. Identifying the economic impact is difficult. Los Angeles and San Francisco do not rate quite so high in terms of loss of production to their national economy as some of the other earthquake-prone major cities on this list (other major U.S. cities could compensate for the lost value of working days); however, the absolute effect of this loss on the world economy would be enormous. Aftershocks can be nearly as large as the main earthquake and can cause significant additional damage. Earthquakes have a destructive effect on societies such as the 2011 Christchurch Earthquake, where 185 people where killed and much of Christchurch’s and surrounding town’s infrastructure was heavily damaged. A huge earthquake in Southern California would cause massive damage — including some that would make recovery difficult. The phenomenon is known as liquefaction, and it was a major feature of the 2011 earthquake in Christchurch, New Zealand, a magnitude 6.3 quake that killed 185 people and destroyed thousands of homes. Christchurch Man Made Earthquakes. The Council also invoices rates on behalf of Environment Canterbury (ECan). . This shows that higher groundwater or stronger earthquake shaking can cause more severe liquefaction damage. The February earthquake caused widespread damage to residential and commercial properties throughout Christchurch. 5.48pm The level of liquefaction after Tuesday's 6.3 magnitude aftershock dwarfs the amount caused by the original earthquake that hit Christchurch in September, Mayor Bob Parker says. Most of ECan’s rates are also based on capital value, although some may be based on other information such as land value. The entire Canterbury coast is at risk from tsunamis. Earthquake : The Seddon Earthquake 2165 Words | 9 Pages. The 2011 Christchurch earthquake was a 6.3 magnitude earthquake which struck the South Island of New Zealand at 12:51 pm on 22 February 2011 NZT. The Town Hall was closed as a result of significant damage caused by the February 2011 Christchurch earthquake from liquefaction and the related lateral spreading of the ground towards the Avon River. The February 2011 earthquake in Christchurch, New Zealand followed nearly 6 months after a magnitude 7.1 earthquake shook the region. I don’t live in Christchurch anymore, but I heard about it within 10 minutes. Widely felt over the South Island and the southern North Island, it caused considerable damage in central Canterbury, especially in Christchurch. It was about 5 km underground. When the stress on the edge overcomes the friction, there is an earthquake that releases energy in waves that travel through the earth's crust and cause the shaking that we feel.. This quote is from Seismologists who believe that human construction and buildings crashing down during earthquakes are the cause of most deaths. In the Christchurch earthquakes there were a number of large-scale rock collapses in the areas to the south-east of the city. One hundred and fifteen of those people were in the CTV building - a structure that should never have been built.