The 4 September earthquake was caused by movement along the Greendale fault (a break in the rocks below the earth's surface) near to Christchurch. It happened when the forces within the earth became greater than the friction holding rocks together. As the rocks moved the vibrations caused the ground to shake. The fault had been hidden below the gravels of the Canterbury Plains.
There are excellent articles on both the Canterbury earthquake and the Christchurch earthquake in wikipedia.
The epicenter of the earthquake was near Lyttleton, Canterbury, New Zealand.
Small foreshocks that precede a major earthquake can occur
It is impossible to predict when an earthquake will occur.
Tremors
Gerry Brownlee is the Minister for Canterbury Earthquake Recovery for New Zealand.
There are excellent articles on both the Canterbury earthquake and the Christchurch earthquake in wikipedia.
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The epicenter of the earthquake was near Lyttleton, Canterbury, New Zealand.
Yes. An earthquake may occur in the ocean.
Aftershocks can occur hours or days after an earthquake.
A tsunami is an ocean wave that is caused by an earthquake. It would occur after an earthquake.
on 11th march 2011 at 9.am earthquake occur exactly in japan
Small foreshocks that precede a major earthquake can occur
if i were you i wouldn't be looking up this i would probably looking up for FUN ___ ___ ___
It is impossible to predict when an earthquake will occur.
There is no requirement for nausea to occur due to an earthquake or any other natural phenomenon.