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A large crack in the ground is called a fault which is caused by and earthquake.
That's called an earthquake.
The odds of Ontario to have a large scale earthquake is slim to none due to the fact that Ontario doesn't sit on a fault line. The fault lines are what causes earthquake. For example, San Fransisco sits directly on top of the San Andreas fault line. When an earthquake hits, the impact is always devastating. Even recently with the 7.0 earthquake in Haiti, Haiti sits close to the Carribean fault line. This is what caused the Earthquake. Waterloo Ontario had an earthquake @1:48pmr June 23 2010 "3.5 or higher"
San Francisco needs earthquake proof buildings because in California theres a large fault line called the San Andreas fault line. It is along this fault line that lots of earthquakes occur.
A large earthquake on the San Andreas fault offset the wallace creek by 130 meters!
The effect is generally known as an earthquake.
No. There are hundreds. It is very large and spans most of the state. The cause of the most recent San Francisco area earthquake was in fact the Hayward Fault.
Around 30 years is what scientists predict
why ARE large earthquakes.... ANSWER- Aftershocks happen after a big earthquake because the movement on the fault changed the forces in the earth that act on the fault itself and nearby. Aftershocks go on until the fault recovers, which takes much longer in the middle of a continent.
There is no way of predicting an earthquake, but it is unlikely that a major earthquake will strike a location on any given day. The San Andreas Fault probably isn't capable of generating something as large as an 8.9.
Sounds suspiciously like an earthquake. Indeed, it is.
If there is little or no earthquake activity on a fault, or a section of a fault then it may be: Inactive (no longer moving) Locked (If it is known to be building up strain for a future large earthquake, i.e. San Andreas) or It may be releasing nearly all it's stress by creeping, rather than in large quakes.