What I stated was that Christchurch was a coastal area with a lot of stress being applied to it from the mountains. Isn't that what I stated? Did anyone take is seriously? It would not seem to be the case.
Does everyone understand why the city of Christchurch survived the first time, but, not the second time? It would seem as though New Zealand needs some input from some decent seismologists that can actually understand the stresses and dynamics of their land. New Zealand can be a very delicate place with glaciers, water dynamics, beautiful mountains and gorgeous coastal areas, but, when one puts all that together there are 'stress points' within the land that need to be identified.
Liquefaction to the soil is a dynamic when earthquakes occur. The high dynamics of high magnitude quakes 'shakes everything' loose. You know how earthworms are good for gardens as they aerate the soil? That is what earthquakes do only in huge dynamics. Are people paying attention or considering themselves lucky that the luck will translate into immunity from it happening again? Because the words 'christ' and 'church' are in the name therefore everyone is immune from Earth's physics. Yes? "W"rong.
Christchurch earthquake: Levels of liquefaction 300 - 500 pc worse (click title to entry - thank you)
By Hayden Donnell and Paul Harper6:13 PM Friday Feb 25, 2011
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.
He says the amount of damage is particularly high in the city's eastern suburbs.
"The scale of this is huge.
"Possibly 300 to 500 per cent the level of liquefaction we had in September."
Liquefaction happens when soil is subjected to severe shaking, causing it to lose strength or stiffness.
Poor drainage in this instance is not because of drought ridden land, it is because it has a high level of water in the soil because it is a coastal area. The ground is saturated at some 'depth' and is unstable in its components, especially after the first earthquake. Add the stress of 'weight' of the mountains and their own dynamics and what exists?
There is an equation of mountain dynamics to 'plains' or 'coastal areas' that states, the longer the land is from the base of the mountain the more stable it is. It is true. Mountains are very heavy. There has to be enough surrounding land to 'hold them' in place and/or 'a mountain base' that is anchored to something like the USA craton.
The reason there are mud slides and quakes along the California coast is because there is virtually nothing holding the mountains in place as they come down toward the Pacific Ocean. The homes built along the coast at the base of mountains might be beautiful, but, they are basically some of the most dangerous dynamics in the world when it comes to peaceful enjoyment of one's home.
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.
He says the amount of damage is particularly high in the city's eastern suburbs.
"The scale of this is huge.
"Possibly 300 to 500 per cent the level of liquefaction we had in September."
Liquefaction happens when soil is subjected to severe shaking, causing it to lose strength or stiffness.
It is most likely to occur in soils with poor drainage....
Poor drainage in this instance is not because of drought ridden land, it is because it has a high level of water in the soil because it is a coastal area. The ground is saturated at some 'depth' and is unstable in its components, especially after the first earthquake. Add the stress of 'weight' of the mountains and their own dynamics and what exists?
There is an equation of mountain dynamics to 'plains' or 'coastal areas' that states, the longer the land is from the base of the mountain the more stable it is. It is true. Mountains are very heavy. There has to be enough surrounding land to 'hold them' in place and/or 'a mountain base' that is anchored to something like the USA craton.
The reason there are mud slides and quakes along the California coast is because there is virtually nothing holding the mountains in place as they come down toward the Pacific Ocean. The homes built along the coast at the base of mountains might be beautiful, but, they are basically some of the most dangerous dynamics in the world when it comes to peaceful enjoyment of one's home.
